Wellington Leal "Megaton" Dias is an official black belt representative of the Royler Gracie Jiu-Jitsu Association. Wellington originally trained under Rogerio Camoes and later at the legendary Gracie Humaita jiu-jitsu school in Rio de Janeiro. Wellington received his black belt at the age of 18. Wellington is currently a fifth degree black belt under Royler Gracie.
Wellington is a multiple Pan-American medalist, European medalist, Worlds medalist, US National medalist, Rickson Gracie International Championship medalist, Rio de Janeiro State Champion and Abu Dhabi veteran, among other accomplishments.
Megaton is the only Brazilian jiu-jitsu competitor who competed in all 20 World Jiu-Jitsu Championships, realized since the first edition in 1996.
Wellington Dias resides in Phoenix where he directs the Megaton Brazilian Jiu Jitsu Academy, the first Brazilian Jiu-Jitsu academy in Arizona. Megaton has been training in Brazilian Jiu Jitsu and Judo since 1976. His wife Luciana and daughter Mackenzie Dern are also black belts in the sport.
Wellignton Dias is nicknamed "Megaton" because of his Judo training and propensity to launch his competitors high into the air, similar to the blast of a nuclear bomb. "Megaton" was named the #1 ranked nickname in MMA by SubFighter.