Trained for 22 years under Bob Bass at South Bay Jiu Jitsu.
Ranks & Achievements
Black Belt - 2nd DegreeBrazilian Jiu-Jitsu
Lineage
Carlos Gracie Jr trained under his father Carlos Gracie Sr.
Rigan Machado trained under Carlos Gracie Jr lineage.
Bob Bass — 1st American Black Belt under Rigan Machado. Promoted to 7th Degree Coral Belt on June 8, 2024 in Oklahoma City.
SCSteve ColvinThis memberBlack Belt - 2nd DegreeBrazilian Jiu-Jitsu
Share your passport
Your belt, school, and lineage on one shareable credential.
PassportSC
SCSteve Colvin
Black Belt - 2nd Degree
Lineage
Carlos Gracie SrCarlos Gracie JrRigan MachadoBob BassSteve Colvin
PassportSC
SCSteve Colvin
Black Belt - 2nd Degree
Lineage
Carlos Gracie SrCarlos Gracie JrRigan MachadoBob BassSteve Colvin