[3] He was famous as a practitioner of Luta Livre, or Brazilian Submission wrestling[4] and was one of the last representatives of this art form.
[7] In 1991, he fought BJJ representative Wallid Ismail at the Desafio - Jiu Jitsu vs Luta Livre Vale Tudo event.
The match saw both fighters extensively exchanging strikes, Ismail used his aggressive jiu-jitsu to takedown Tadeu and apply an early form of Ground-and-Pound, punishing him with headbutts and by throwing him outside the ring multiple times.
Tadeu together with a group of 60-70 other Luta Livre fighters, some armed with knives and firearms, did a Dojo storm on Gracie Academy, seeking a rematch for the fight.
[13] Renzo once said "my name is not a bone to be carried in the jaw of a dog," before slapping the guy and declaring "you don't deserve my fist.
[17] The riot was featured on World's Dumbest Criminals and is listed as the #8 Worst Moment In MMA History by ESPN.