mastiff awardPLEASE Visit  us on FACEBOOK



To all of our wonderful Maso owners reading this, I just wanted to announce that we will be slowly phasing out of breeding and will only be suppling puppies to the people that are already on our waiting lists with deposits down before, 4/10/2018, and will only accept new deposits from previous buyers/owners/5 yr guarantee.. We will be retiring the majority of our dogs and we will be building vacation rental cabins on the water which should be completed by next year, some possibly this year.. We have been breeding for 40 years and are ready to pursue other goals also.. If you have any questions please email me at thrtkennel@aol.com Thanks for understanding!


Queen MYA on her throne…


We build some of the best DOGHOUSES money can buy… For less than you could build it yourself!

Your dog will love being inside his secure log home and to be able to lay in the open air on his own private partially covered deck. This home is so cute with the dog bone columns, and detail, it will add to the decor of any yard… The wood is environmentally safe, kid safe and pet safe as it is treated with a natural cedar oil called petriwood which puts the wood in a state of petrification, repelling insects and water, warping and rot..

This is not a light weight house that will fall apart, like the kits you buy online.. This is a heavy duty quality built doghouse…The metal roofing is a human house grade material…Not the thin cheap stuff seen at your local building supply stores… We can sell these houses cheaper than you can build one, as we have our own sawmill and use our own trees for lumber so there is no markup, as it is on the sky high cost of lumber sold elsewhere…And the savings are yours… Keep your pet happy and safe with the cutest home ever…

Pictured is a medium sized house with mastiff pups and with a full grown mastiff in it…

We make SMALL to HUGE dog houses.

Small are $200 (suitable for poodles, beagles etc) 2 x 2 house size.. with deck, total feet 2′ x 4′

Medium $300 (Labs, Rotties, German Shepherds) 3 by 3 house with deck, total feet 3’x 6′

Large $400 (Mastiffs, Great Danes) 3.5 by 3.5 house with deck, total feet 3.5′ by 7′

Huge house  $500 ( 2 mastiffs, or 2 Great Danes) 4 x 4 x 8 total  house 4 x 4

We can also deliver locally or you can pick up in Drennen, WV and pick your puppy up and his or her  house at the same time…

Please text 304 807 0936 or email at Thrtkennel@aol.com




reasonably priced delivery anywhere in US!


                                      Sioux above watching the deer

Hi Terri,

Sorry it has been so long since I gave you an update. Sioux and I moved
to the Black Hills of South Dakota in April. Needless to say, we love it
here — no humidity or bugs (haven’t had a mosquito bite since leaving
North Carolina). We hike the Black Hills every day and have been doing
lots of camping in the Hills, Wyoming, and Montana. He’s such a great
companion. I think Sioux weighs about 125 now and looks really good —
he keeps himself trim because he’s active and not a big eater.

I wanted to ask you this before, but I’m wondering if either of his
parents perform a hilarious “rodeo” dance — when I play with Sioux, he
tucks his butt and does whirly-gig circles (first one direction, and
then another, spinning) just like a bucking bronco. He does it just
about every day and it’s one of the funniest things I have ever seen.

I have attached some pix of Sioux looking out the window at some deer
across the street: we have Mule deer, White-tails, and Big Horn sheep
walking through our hood on a regular basis. Sioux loves to chase
wildlife, especially deer.

Also, I saw your note about the waiting list for pups: it sounds like
you have been dealing with some very impatient people. Keep up the great
work — I get compliments on Sioux every day! My Indian friends, who are
real Sioux living on the Pine Ridge Reservation, also like him.


Cris Campbell


See “available pups” page


Hi Terri,
Just a note & a picture of how wonderful our Giant Maso Kenai is doing. He is pictured in my horse pasture among the beautiful buttercups enjoying his surroundings on our 6 acre horse farm here in The Plains, Va. Kenai has played a huge roll in helping our family deal with the loss of our 12 year old matriarch Mastiff Tasha. His heart is as big as he is. Full of fun, cuddles, kisses and lots and lots of love for everyone he meets! He turned 5 months on May 4th. We measured from paw to shoulder at 26 inches and nearly 80 pounds. My decision to purchase one of your pups was based on your knowledge, & experience in producing a breed of Mastiff that personifies both English & Cane Corso. Thank you from the bottom of my heart for allowing me to purchase Kenai. He is my companion. He travels everywhere with us. He also will be traveling with my family and I to the OBX in August. Will send pictures. Love love this puppy to the moon snd back

Sincerely Sue Gerber & Family The Plains Virginia

 SMASHER below!!

smashersoiux criscam


I have wanted to write for a while now, but I waited to make sure that
what I wanted to say earlier was in fact true. What was I waiting for?
Well, after one week of having Sioux I began to suspect that he was very
special. Everything he has done since I picked him up (including wagging
his tail when I said “he’s the one”) has been perfect.

I don’t use the word “perfect” lightly, but I will say it: he’s perfect.
I can’t tell you how smart, loving, funny, handsome, and intuitive he
is. He was house-trained in less than two weeks, and picks up everything
I teach him on the first or second lesson. Sioux is my fourth mastiff,
and I thought my last one (Duke) was a perfect dog and also thought I
could never have a better dog than Duke.

At this rate, I would say Sioux is at least the equal of Duke (in other
words, “perfect”) and he is showing very serious signs of going beyond
what I previously thought was perfection. Needless to say, I am
absolutely astonished.

Sioux has met every one of my expectations, which were probably
unreasonable, and he has exceeded them. I cannot tell you how happy he
makes me, and how much I look forward to a huge life of adventure with
him. We are going on our first camping trip this weekend.

I’m not sure how to adequately thank you, but I will figure something
out. In the meantime, here are some pix of the beautiful boy.



I cannot begin to tell you how much we love Zander. He is so amazing! Mike asked me to personally send you an email and tell you thank you for him. What an amazing personality he has! Nothing phases him, except when we our his kids come home. He gets excited, but never jumps. He loves treats, but never snaps to take them.
Mike cut the tip of his finger off two weeks ago and Z hasn’t left his side. They’ve really bonded, which is what Mike really wanted. He has also kept our boxer, Cooper, really calm too, which is amazing for a boxer! 😉
Thank you again soo much for him. We absolutely adore him and will continue to recommend this awesome breed!
We’ve had people ask us to bring him over to convince their hubbies that they need a dog. I tell them to make sure they get a Giant Maso from you, because there is no breed like them.
Feel free to post this on your testimonials, if you want!!
Lots of hugs,
The while Burke family
Mike, Kim, Emmalee, Blake, & Laynee
Zander below

dawgzzzz 006

stormy umbrella

Shady Spot When things get Hot…



us for more info




See us on facebook below




us for more info

phone service here in the mountains is pretty much non existent lately!



see available pups page…


I purchased Sophie a Maso Mastiff from you 6 years ago. Her birthday is July 19,
she is doing great. She loves to swim, hang at the pool and is spoiled rotten.
We are so happy with her, she is so smart. We are so glad we found you on the
Thanks again for the Best Dog Ever!!!
Paul Dodd
South Weymouth MA.

Just wanted to send a Merry Christmas your way and thank you again for our beautiful Bella!
We attached a picture of her. We brought her home in 2009. Looking forward to spoiling her on her birthday, 12/24.
Hope you have a wonderful holiday!
Jeff, Angie & Rayanna

Do you know what is REALLY in your pet’s food?
You would not beleive!!!!!!




AKC OFA ICCA Foundation Stock

In my 35 years of breeding dogs, I have realized what it is the overwhelming majority of people (99%) truly want… And what they dont want,in a dog…

They do want a healthier dog with a longer lifespan and therefore less vet bills…

We produce this, and back them up with a 5 year health guarantee and always can help guide you in preventing  problems caused by commercial dogfoods, over vaccination and malnutrition, just to name a few… We are always here for you and your dog…

They want a dog that they will always remember as the best dog they ever had…

Our dogs are gentle and calm in nature, being a welcome part in any family…

They want a dog that is great with children and other animals but also a dog that will protect his family if needed and only if NEEDED…

Our dogs love children and adults and protect them from danger… They do not however, chase after a stranger just because he is there… But if he is a threat, they can tell…  And they will let you know if a stranger or anything different is there or happening… Otherwise they are very quiet…We want our dogs to be part of the family, be allowed to play with other dogs and we want them to be a great companion for your family and have a long and healthy life with you…

Please see the testimonials all over our site and visit our Giant Maso Face book page


Our happy dogs and happy customers is what matters to us!!

 If this is what you are looking for please contact us at thrtkennel@aol.com ….



see available pups page

Hi Terri,

We bought our Giant Maso, Gromit, from you
in May of 2008. I just wanted to let you know how pleased we are with
our sweet, sweet boy! He is the epitome of a Gentle Giant and is truly
a wonderful dog. He has been a very healthy animal which I attribute
to good breeding as well as keeping him on the Life’s Abundance
food. Gromit went camping with us this weekend at Lake
Kerr. He was obedient, friendly, and fabulous with all other dogs and
children. I took these pictures of him there along the shoreline and
thought you might like to see what a beautiful dog he has grown up to
beJ Thanks again for your commitment to responsible breeding and
providing our family with the best dog ever!

Best wishes ~ Jessica Law

Gromit, above

hi terri just a note to say hello and tell you how great gunnar is doing! he is the hit of puppy class, such a good temperment of course hes bigger than everybody, but a very calm and gentle giant. we start big boy training on friday and I cant wait. he just loves everybody, he cant wait to see everybody and give them kisses and he is so good with all the dogs. even the aggressive dogs that hate everybody just love gunnar he has such a great personality. I just wanted to tell you how much he is loved and how much love he brings to everyone around him, I am thankful you picked the perfect boy for me. even the vet is so amazed at how wonderful he is not to mention how beautiful. I see you have puppies again, are those silver or grey masos also? any chance you could send a picture of a full grown of that color to me when you get a chance? they are gorgeous! I will send you a picture soon I just have to unload them from camera but it is so nice out today we are going out to play! I cant thank you enough for my beautiful baby, I love him to pieces and he makes us so happy!! I don’t want to pester you I just want you to know how grateful we are and your baby is in a good home spoiled with love and kisses!! I hope you guys are well and the house is rocking and rolling. take care of you and again I cant thank you enough that puppy is the sunshine in my world!!
kerry,bob, gunnar,and norman
here is a picture of gunnar soaking up some sun on a warm winter day, isnt he just so beautiful and he is so shiny!! like gloss!! starting to get big haha, love him to pieces!! hope you are proud of your pup!

We are now taking deposits on Spring & Summer 2015 puppies !
see available pups page
We can deliver pups and dogs ourselves, to WV, VA, MD, PA, NC, etc…
We also ground ship to mid US and the west coast states
Hi Terri!
It has been quite a long time!! Gatsby will be five this year. He is the best dog in the world, although I’m sure you hear that a lot!!
I have attached a few pictures of him. Let me know what puppies you have available coming up.
I hope all is well!
Dominique Damico
GATSBY below He is a 5 yr old GIANT MASO…

And the old man gets a kiss, how great is that!!
7 month old Max and I went hiking together for the first time this last weekend and he was excellent. He caught on to
Commands and followed the trail without difficulty. What a fantastic puppy.

Took this photo this morning with my Blackberry…the table, on the right, is 30 inches tall. We took Kuruk to the vet yesterday, at 13 months old he weighs 165 pounds. below

Hello and welcome to Thunderheart Farm. At Thunderheart we have some very special and unique dogs, deriving from Old English Mastiffs, the largest dog in the world, not to be confused with the Bull Mastiff, which is a much smaller breed. Our Giant Maso Mastiffs, (the same size and gentleness as the Old English) is a new, healthier, and more active, breed of mastiff, in development, and  is being bred only at Thunderheart Farm located in Va and in the mountains of West Va . The mastiffs in our lives have brought immeasurable love and joy and we hope to bring you the same joy that we have experinced, with the wonderful, loving, and healthy pups that are born here. All of our pups come with an unheard of FIVE YEAR health guarantee. We breed only the best of temperaments for you and your family. Our dogs have many, many close champions in their foundation Some of the champions include: CH Enchanted acres Trust Me (Grandfather), CH Creekveiws King Henry of Safe HavenCD,CH Hedgestones Big Man, CH Ironhills Portfolio(Grandfather), CH Burns hall Zackery, CH Ironhills Warwagon, CH Lyon’s Lair, CH Semper Fi Gropetti Gargoyle and many, many ,many, more. Our pups are always born in the house, raised on our 38 acre farm with children, other dogs, horses, a parrot, 3 cats,and are very well socialized before leaving for their new homes. Most of our mastiffs have big wide heads but also have the tighter lips, as you will notice in the pictures, which means they don’t drool at all or drool a whole lot less!!!. That way you can spend more quality, “FUN” time with your dog and less time running around cleaning up. So if you are looking for a great quality, well socialized and healthy companion with a five year guarantee,then you have come to the right place.We always back up what we sell, “because we care” and we have excellent references available.Why settle for less? To get on our waiting list for  Giant Maso Mastiffs, e-mail your interest to ThrtKennel@aol.com. Please read our on-line contract and “how to purchase a pup” pages on our website.Our pups are sold to loving, caring, and responsible homes only. For more information on this please contact me. I hope you enjoy our website and feel free to contact me, even if just to send a smile!

Email us to reserve your pup!


Glad you got the pictures. He certainly is a big boy
🙂 The vet figures he will be between 225 and 240 when he finally
stops growing. You certainly may put it on your website. I cant
thank you enough for this dog..he is wonderful. Please feel free to
put any correspondence and/or pictures you want on your
website. I’ll keep you posted later on his growth and the adventures of Bump.
LOL Had to send this one to ya — It’s a dogs life. She’s happy and having a ball.

I got a puppy from you back in March. I wanted to send some pictures over. She is doing great! Lots more energy and getting bigger everyday. She is very well behaved, and SOOO affectionate. She is such a lap dog, and loves to sleep on me. She is about 7 1/2 months, and about 80-90lbs. I love her so much. Thanks for a great friend!!!!!!!
(There’s a couple pictures of her playing with another mastiff my friend owns that is 2 weeks older than her. They love to play together!)

Hey Terry and Chaz!
We haven’t emailed you or send you any updates on our Mack we wanted to show you him now at one years and about 5 months! He is such a great dog, I cant get on your web site and not want another one!! He LOVES to go on our boat on the river and even has his own life vest! He can not play in the water enough!! We call him our “Superstar” because everywhere we go everyone wants to know all about him and touch him and everything else!! We got him a “sister” in the fall a Newfoundland and he watches her like its his job. They are a great pair!! I have already recommended you to numerous people and we definitely will be getting another pup from you some time in the future!! Just thought we would let you know what a blessing he is! =) Thanks again Josh and Lexi

Hi Terry,
I know it is has been forever since I have sent you an update on Rhody. Rhody is a female that we bought from you and your son last March. My two children ages 4 and 6 are in love with her. Rhody is the best dog I have ever met around children. She has been to several show-n- tells in my son’s preschool. She attends birthday parties and makes visits to our local elementary school. She has even been to Disney World….needless to say she was a huge hit…she drew quite the crowd!

Rhody is currently 10 months old and last time we weighted her (which was a few months ago) she was 115 pounds…I am sure she is a lot heavier then that now.

Oh I also have to tell you she is a dream on the leash. I take her jogging with me and the kids in the double running stroller and she is wonderful!! We have become celebrities in our neighborhood! We just love her to death!

Anyway, here are a few pictures of Rhody..I thought they came out really well so I wanted to share them with you. My husband is still in Iraq so I was taking pictures of her to send to him but I thought I would pass them on to you as well,.

Hope all is well and hope you and your family have a Merry Christmas! Liz Mras

TRITON above
Moose is doing well. He is getting bigger by the day and doing great with his obediance. I cant imagine my life without him, he has become a very important part of this household.
Thanks again,



Hey Terri! How are you doing? I’m doing great. I don’t know if you remember me or not, but you sold me one of your Giant Maso pups to my wife and I back in Februrary of this year (2007). We named her Kahlua. We love her so much. She’s our baby. And she always will be. We are currently pregnant now, we are expecting May 1st. We’re excited though because Kahlua loves kids. We’ve brought her around a lot of kids and she gets really excited around kids. She does do the occassional knocking them over though because she’s getting so big. But it’s so innocent. We get so many comments and compliments about her being such a beautiful and well behaved dog. And they’re not exaggerating either. She is a very well behaved dog. We take her everywhere and she’s totally part of the family. In fact if we don’t bring her everybody asks where she is at. lol. We actually was at the local starbucks and a couple came up to us and ask about her and we told them all about you and your kennel. They have been talking to you. Their names are Kristen and Shawn from California. You have been asking me for a picture of Kahlua and I’m finally going to send you one. In fact this will prove to you how much this dog is spoiled. lol. The picture is of Kahlua at about 10 months, and she’s weighing in at about 110lbs. And she’s very tall. Thanks so much once again Terri. If I ever get another which I want to someday I will give you another call definitely. Thanks again and happy holidays to you and your family, including your dogs.

Thanks again,

Casey and Anna

Dear Thunderheart Farm,

It has been about 6 months since we first met our beautiful girl and the time flown by…

Beatrix Kiddo has grown exponentially! She was the best little baby, she was sweet and cuddly and (most importantly) potty trained the day we took her home. She is a total mommy’s and daddy’s girl and is miserable when she isn’t with us (and don’t let me fool you, it works both ways ha ha).

Over the past few months we have seen Bea’s personality just blossom. She is doing VERY well in traning and really shows up her classmates. She not a barker, which is wonderful. She walks very well and gets so excited when we put the leash on her. She is incredible in the car, she is a perfect angel- no barking or crazy behavior, she is pure zen calm even after a LONG road trip to Michigan. She is very protective of mommy and daddy and makes sure her pack is safe. Her favorite thing is to jump on our laps when we are watching TV and snuggle up with us. When she’s not doing that she is trying to sneak onto our bed and barks for us until we come and lay with her. She is too funny… She makes the funniest faces and noises and just seems to communicate her thoughts and feelings so clearly. I know, I know.. she’s “just” a dog. But, she really is our “baby,” a real member of the family and we love her to pieces!!!! Thank you so SO much for breeding such a perfect, loving dog. You guys really are the best and we make sure to tell EVERYONE what a wonderful farm you have.

We will most definitely get another mastiff, probably as soon as in 6 months! We have been so pleased with this dog, we can’t wait to have another little guy to join the family (we even have his name picked out ha ha).

Thanks, again,
Mike and Tiffany Havlik

Oh my gosh! Zeus and Athena and Titan are doing fabulous. Here are a few pictures. Titan already weighs 17 pounds!!
Thanks so much

Goliath below

Hi Terri,
Goliath is alittle over five
months and at 75lbs. already and everyone at work, home, and anywhere we
take him loves him. They tell us how beautiful he is and well behaved
and good natured and they are amazed for him being so young. He is
really smart, we show him something once and he remembers. He is going
to be such a wonderful service dog. Maine is learning alot about this
breed now and everyone that loves the big dog breeds are so interested
in him. I did have one woman chase me down at work last week to meet
Goliath and ask me lots of questions about the breed because her husband
has been researching them and trying to fine a reputable breeder here in
Maine and I told her there were none in Maine and if she wants a healthy
dog to contact you and I gave here your website. I don’t know if she
followed through but your really popular here in Maine now. Goliath is
also microchipped and registered where he is so popular and rare here in
Maine. How is his brother Moose, he must be getting so big as well.

Take care


Hi Terri,
Goliath is 7months and 95.6 lbs. Now he seems to grow over night, its
so amazing. I wanted to let you know that I have told many people about
you and the quality dogs from there, especially since Goliath was such a
big hit at the Hospice house (for terminal cancer patients) in
Scarborough Maine. They loved him and he was such a comfort to everyone
there when my father in was passing away. Everyone was amazed that such
a large dog can be so gentle and soothing to everyone, he just seemed to
know just the right thing to do. Thanks so much for allowing us to have
Goliath. He is so wonderful.
Laure Nickerson, AAI
University of Southern Maine
Dept. of Rec. & Leisure Studies
Another update on Goliah

Hi Terri,
Sorry if you received the first email with unfinished note. Goliath is one year old now and 150lbs. and 31″ tall so far. He is in perfect health and brings joy to everyone he meets up with as well as our family. He is an enormous asset to me for my health issues but he also seems to spread his gift of calming and feeling loved to everyone he comes in contact with. The College of Nursing and Health Professions at the University of Southern Maine loves him whole heartedly, the faculty, staff and students that all get to see him on a daily basis. Everyone looks for him and loves him to pieces. He is an extremely smart service dog and seems to pick up on my health needs before I can even give him a command, its great. He is so well behaved, good natured and great security in more than one way. Goliath is such a blessing and I don’t know what I would ever do without him. Thanks so much for the quality and needs of others you take in to consideration when you breed. The old english mastiff is such a wonderful breed with all your loving care you put into it as well. Maine just loves Goliath and are learning a lot about the breed too.
Oh yeah, how is his brother Moose? Could you send a recent picture of him for the update in our book we keep on Goliath?

Thanks so much.

Laure Nickerson, AAI
University of Southern Maine
Dept. of Rec. & Leisure Studies

Hi Terri,
Just thought I’d give you an update on our puppy. We have named her Harley and she is the best puppy we have ever had. She absolutely loves people and follows my kids around everywhere they go. I think she is absolutely wonderful and she has stolen our hearts already. She is about 20 pounds now and just so full of love. We are working on the potty training but she is already sleeping through the night!!!! My kids can’t wait for her to get big enough to sleep with them. I have attached a few photos so you can see her. I can’t thank you enough for providing us with such a pleasure of a puppy. She is truly a blessing to our family!!! Keep up the good work!!!
Amy Runyon
OT Coordinator
Tomball Regional Hospital

Hi Terri,
I just wanted to send a few pictures of LeRoy so you could see how well he’s doing. I’m sure you can tell by the look on his face, he absolutely LOVES his Elmo costume! hahaha. He’s 10 months old now and 105 lbs. We get nothing but compliments on him everywhere he goes with us! There’s a picture of him on my lap, this was the 4th of July and he was scared of the fireworks. Nothing like a 100 lb lap dog! hahaha

Thanks, ~KayDee
Please Pray For Virginia Tech
Here is how Katie brightened some lives with her wonderful Maso, Odin
Hey Terri,
I can’t tell you enough how great of a dog Odin is turning into. Recently, Virginia students have been shocked by the Virginia Tech shootings. I took Odin to campus just so everyone could have some comic relief (he is a goof ball), and he brought smiles to hundreds of faces as he wandered around, greeting everyone in sight with sloppy maso kisses. He accompanied me to the University of Mary Washington Chain of Love and official tolling of the bells ceremony this past Friday. Dressed in a maroon shirt, Odin stood out more than usual, and a professional photographer documenting our ceremony snapped this picture of him, standing guard through the rows of people. I thought you’d enjoy this, as well as knowing that Odin is working hard (not really, he’s just his goofy, overly friendly self!) to brighten the days of the students on campus, many of whom are far away from their own pets in this time of mourning. Thanks so much and I’ll talk to you soon!
Keep up the good work!
Katie Malone
This is Oden below ….


Molly (above)

Hi Terri ! how are things have been really busy, we might be close enough
for you to come visit mollie soon, we are getting ready to look at a house
on hopeful churchroad in louisa, keep your fingers crossed for us, if so the
first thing i will do is get another maso puppy. Mollie is beautiful,
loveable, by far the best dog i have ever owned not that i don’t love the
rest but she listens, well behaved and is the biggest baby we just adore
her, she is 30″ from the ground to her back very tall and now she is
starting to fill out width wise and is still very much a lap dog, I can’t
thank you enough for giving her to us. Hope to hear from you soon.Beth

Ready for Christmas!

John with Harvey, above
Here are some updated pics of what is probably the greatest puppy ever. I can’t thank you enough for sending me and my kids one of the kindest, easy going and most lovable puppies I have ever known. I never imagined that a dog of this age could have such a incredible disposition and give each person who enters my home much more love than I think we can ever give him. I can go on forever about how great he is so I will keep it short, just know I feel indebted to you and when the time comes I may be calling you to send another.
Thanks again.
Joe Arlauckas

This is Bella, the Flying maso.

Suga and Ghost and I am in there somewhere… Old English Mastiffs

Maso Madness!!


Hi Terri,

My husband and I bought a Giant Maso from you back in the winter of ’03. I wrote you a while back and said that I needed to send you some pictures of her. Well, I finally remembered to do that!

We are so very happy with Shylah. She is a great dog. We have fenced in our back yard and she loves to run and “play” soccer. She has 2 soccer balls and so far that is all she has had but I do believe a new one is going to be in need. She is a very smart dog too, knows when she has done wrong and smiles at you when you walk in the door. She is definitley a “people” dog! The kids love her and she loves the kids. My husband is in the military and away right now. It is amazing to watch Shylah miss him. For about the first week or so she didn’t eat much and she didn’t want to do anything but lay around. She loves him dearly. She has shown her protective side more than once! No one can park in front of our house or come down the sidewalk without her letting us know. She does bark at everyone that passes the front of the house as well. (we are in a cul-de-sac)
Thank you so much for selling her to us! We love her to pieces!!
Kelly McKenney
Shylah picture below

Terri ,

Long time…but I wanted to write and give you a picture of Angus and Buttercup. They are without a doubt the best dogs we have ever owned and have given us so much pleasure. they definately rule the household. Angus is truly a wildman…he has boundless energy and is one fun guy to have around. He loves the kids…especially my youngest that he has decided is his…You rough house with Eliza and he comes over to let you know that if you hurt her he will not be a happy camper. Buttercup is the sweetest most loveable dog ever. She loves everyone and is a regular as the local football & soccer games with her jersey on socializing with all. Angus prefers to stay home with me and for some reason is not too fond of most other male dogs. But I think that is just because he like to think he is a tough guy.

Here is a picture from Christmas…Angus weighs about 180 and Buttercup is about 150. They both just had full check-up and the vet said that Angus definately has not reached his full size as he has mostly just muscle mass and has not yet filled out. We have stuck to the feed you recommended and kept up with Ester C and Nuvet product. Angus especially is a piggy when it comes to both.
Just wanted to give you a quick update and say thank you
Steve Miskovitz
Steve’s 2 gorgeous Mastiffs below


Hi Terri!!! My husband and I got our wonderful Maso Drake from you at the end of July. I sent these pictures to some of my friends and I wanted to send you some to update you on him. He is really the best dog in the world and the cutest (I might be biased). We went through a little chewing stage but hopefully we are over that. He is so smart and knows so many key words. He really knows “Kip” that is our big yellow tom cat. When we say Kip, Drake will look up at the stairs to see if Kip is sitting on the step he usually sits on. He is the biggest teddy-bear in the world and always has to be next to us. Everyone he meets loves him and says how lucky we are. He is so “sexy” as I call him and we love him more than words can say. Let me know if you get the pictures because I really want you to see how beautiful he has gotten. He was the cutest puppy in the world as well and it is so crazy to look at old pictures and think that it’s the same dog. Hope you are doing well and breeding away. Thanks.
Karen Case

Hi Terri
I wanted to email you and tell you how waesome my Sampson is! We got him from you a year and a half ago and he is still the biggest baby in the world! He loves my kids and even tattles on the babies when they are up to something they shouldn’t be! We have moved from South Dakota to North Carolina and are glad to be closer to you. We will be wanting a playmate for Sam soon, we were thinking a Maso… Will you be having puppies anytime soon?
If you’d like to see our big guy you can click on this link


Thank you so much for the best dog in the world!!!

Hi Terri
My last e-mail bounced back so I’m not sure if you got it or not.
I wanted you to see Sampson, he’s a year and a half 150+ and the biggest baby in the world!
He still wants to be a lap dog and thinks he’s the size of a toy poddle! In his puppy training class at 9 months
he was bowing down to Shitzus!!! I told him he was embarrassing me : )
He and my girls have a great relationship, he is like a brother always tattleing when they do something wrong. He’s even informed me a time or two of the danger they were about to get in to!! He’s the best dog I have ever owned! Thank you! We are looking to get him a friend and are concidering a Maso will you be having another litter soon?
Here are some pictures of our baby boy Sampson
Thanks again
NikiJo Bluth

Apparently I have too much free time on my hands today…LOL. Thought you would enjoy these. He is so freakin cute!!!!!
Christie Inman
Wife to Gary, Mommy to
Dean * Cassie * Meggie * Jacob
& one very spoiled
Old English Mastiff!
Absolutely you can put them on your site!!!! You can also add that we LOVE him completely!!!! He is the best dog we have ever had!!!
Thanks again!!
Christie Inman

MEET MATER…… Old English Mastiff Pup


I can’t tell you what a wonderful puppy Dozer is. He was house trained when
we brought him home and has been great.
He just went to the vet 1/3/07 and he weighed 40lbs!! Here are some more
pics of our BIG spoiled pup! One is him lying on my daughters bed, one is
him sucking my daughters thumb ( yes, he really does that ) and one pic is
of him being adorable!

Thanks !! Sherry
Dozer, Old English mastiff pup

Dozer Now, What a beauty!!




Hi Teri,
It’s been awhile since we’ve sent you a picture of Ripley, the maso we purchased from you back in June. He is doing really well, growing quickly and making the whole family happy! I continue to view your website and just amazed at all the beautiful pups you breed. Thanks!
Kerri & Jim Jenkins

To Greg at The Toy Store,
I just wanted to thank you for such an awesome car! I was a little leary of purchasing a corvette online, but after reading about the owner and the 40 years you have been in business and your customer satisfaction, I figured, why not go for it! I am soooo glad I did! This car is all you said it to be and more. Much more! It is immaculate inside and out and drives like a dream! Now my mastiffs and I can ride in style!! Good thing they don’t slobber!!
THANK YOU!!!!!!! Terri Kershner
If anyone is interested in a quality corvette than check them out at “The Toy Store” and ask for Greg at http://www.vettenet.com or http://www.vettenet.com/testimonials.asp

Oh, No!! We’re Next!!

Over 300 pets vaccinated at clinic
Three Old English Mastiffs peer through the back gate of a horse trailer as Brahma, their kennel mate, “gets the needle” from Z Louis Klein DVM. Over 300 pets were vaccinated against rabies by Klein or Christine Jones, Dvm, at the county sponsered clinic last Sat. at the Louisa County Office Building in the town of Louisa. Owners also purchased County tags for their animals. The curious mastiffs are owned by Terri Kershner of Lake Anna.
Courtesy of The Central Virginian Newspaper.Pictures by Pat Wilson

Dozer Jr and Sheena sailing away

Dakota, a Giant Maso puppy cuddeling with Christine in Long Island New York. Maso’s adore their kids!!!


Tanker & Rocca


Giant maso pup at 5 weeks old (Thunderheart’s Gentle Dove)

Just a note to make everyone aware:: 


IF your Giant Maso mastiff does not come from us, then you don’t have a Giant Maso!! There are people who have mastiff crosses, who are impersonating and calling their pups, “Giant Masos” or Maso Mastiffs, to sell them… Some have stolen information and or pictures off of this website to make it look like they are legit… THEY ARE NOT LEGIT! 


There is one in
Houston Texas and one in South Carolina that we are aware of…

There is a woman named Patricia Weaver in South Carolina that advertises pups on FB yardsale sites

  that is mixing

English and cane corso mastiffs, from who knows where,

and CALLING them “Giant Masos” and is stealing  parts of my website to use  in her advertising to scam people into buying her  puppies…She is selling them to

unsuspecting people and that is

NOT what she has!!!  We are the founders and the ONLY


of the Giant Maso Mastiff.. IF it did not come “DIRECTLY” from

Thunderheart Farm then you DO NOT have a Giant Maso Puppy!!!!

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