Foundation
Kennels
These 7 kennels represent the most influential foundation bloodlines in the American Bully world. Study their productions, offspring traits, and sibling trends before making any breeding decisions. Use these as your reference when running a Bloodline Advisory analysis.
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Bossy Kennels
The #1 XXL Blue Pitbull Kennel
One of the most recognized names in the American Bully world. Bossy Kennels is renowned for producing extreme XXL blue pitbulls with massive bone, wide heads, and muscle-heavy frames. Known for OFA health testing — they hold more OFA-finalized dogs for the breed than almost any other kennel.
Foundation Bloodlines
Royal Blue Generation
Home of King Lion, King Liger & John Wick
Founded by Saul "King Lion" Servantes, one of the OG pioneers of the XL American Bully movement. RBG is known for stacking elite bloodlines through proven producers like King Liger and Megalodon. Their program focuses on extreme size, structure, and stable family-ready temperament with generational consistency.
Foundation Bloodlines
Big Baller Kennels
"Street Legal Lions" — Jurassic Park
Home of 'Dom' — one of the most famous American Bullies ever with a 31-inch head measurement. Big Baller Kennels produces what they call 'Street Legal Lions': dogs that combine immense size, extreme head mass, and surprising loyalty. One of the most-followed kennels globally with 280,000+ Facebook followers.
Foundation Bloodlines
ProBulls
The House Kong Built
Home of the monster American Bully. ProBulls, led by the legacy of Kong, is known for producing some of the most extreme muscle and mass combinations in the breed. Their female Syntina is described as 'an absolute unit' whose breeding will be legendary. Based in Tennessee, known for breeding viewing pleasure & sharing breeder education.
Foundation Bloodlines
Red Lion
RedLion American Bully XL Bloodline
The Red Lion bloodline is known for producing some of the largest, most extreme XL American Bullies with a highly distinctive look. Connected to the Vietnamese bully scene through Vietshark bloodline, Red Lion dogs are known for their impressive head-to-body ratio, extreme mass, and show presence. Active in Central Florida with regular litter production.
Foundation Bloodlines
Big Gemini Kennels
BGK Style — Established 1996
One of the oldest and most respected kennels in the American Bully world — established 1996. Big Gemini Kennels specializes in blue pitbulls and XL bully dogs with extreme size, chiseled muscle mass, and extraordinary temperament. Their males BGK Cujo and The Rock anchor every breeding plan and carry legendary foundation blood.
Foundation Bloodlines
Daxline
The Legacy of Dax — Bred by Ed Shepherd
Daxline traces directly to DAX — a dog bred by Ed Shepherd of Gottyline. Dax helped shape the modern compact, muscular bully look that is now highly sought after in pocket and standard classes. Since 2004, Daxline has been a devotion to breed education and community. Known for highly compact, muscular frames with extreme width relative to height.
Foundation Bloodlines
Information compiled from publicly available kennel websites, social media, and community breeding records. All kennel names and bloodline names are the property of their respective owners. This page is for educational and breeding reference purposes only. Always verify directly with kennels before making breeding decisions.