Euclides Pereira (born 7 May 1941) is a former Vale Tudo fighter and current Brazilian jiu-jitsu coach.
He ended leaving the college for working in a hotel, and he would start training in martial arts, soon become a student under José Jurandir Moura, who was also a judo and Brazilian jiu-jitsu certified teacher under George Gracie and Takeo Yano.
[2] He joined the luta livre camp and became a legend in the vale tudo fights, getting the nickname of "O Diabo Louro" ("The Blond Devil") for his aggressiveness and charisma.
Knowing Carlson's danger on the mat, Euclides took advantage of his own superiority in striking and wrestling and almost got Gracie knocked out at the fourth round, breaking his nose and damaging his eye region.
[2][3] The match had controversy when Carlson claimed he had been "robbed" by the judges,[4] given that Euclides had exited the ring to avoid a guillotine choke, however a common tactic at the time.