Rubens Charles Maciel

Cobrinha is a black belt in Brazilian jiu-jitsu under Fernando "Terere" Augusto and a member of Alliance Jiu Jitsu.

Cobrinha has won a total of six world championship titles in Brazilian jiu-jitsu as a black belt in the featherweight (or lightweight) category.

He started training BJJ in 2000, received his black belt in 2005, and has since medaled in every World Jiu-Jitsu Championship in which he has competed - a total of ten.

[4] Before opening his own school Cobrinha BJJ in Los Angeles, California, in 2011, he was an instructor at the Alliance Jiu Jitsu headquarters in Atlanta, Georgia.

On January 24, 2022, Cobrinha was announced as the tenth member of the inaugural class of the ADCC Hall of Fame.