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Wellington Leal "Megaton" Dias [1] is a Brazilian jiu-jitsu (BJJ) practitioner, and an official black belt representative of the Gracie Humaitá jiu-jitsu association under Royler Gracie. Wellington originally trained under Rogerio Camoes and later at the legendary Gracie Humaitá 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 "Megaton" Dias
Megaton Dias Seminar 01 (crop).jpg
Megaton Dias teaching a Gracie Jiu-Jitsu seminar in November 2011.
Born (1967-10-02) October 2, 1967 (age 52)
Rio de Janeiro, Brazil
ResidencePhoenix, Arizona, United States
Teacher(s)Royler Gracie, Rickson Gracie, Helio Gracie
Rank     5th degree black belt in Gracie Jiu-Jitsu
     3rd degree black belt in judo
Notable studentsKyle Watson, Mackenzie Dern, Evan Dunham, Jack McVicker

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.[2]

He is the only Brazilian jiu-jitsu competitor to have competed in all 24 World Jiu-Jitsu Championships, realized since and including the first edition in 1996.[3]

Wellington Dias resides in Phoenix, Arizona where he directs the Megaton Brazilian Jiu-Jitsu Academy, the first Brazilian jiu-jitsu academy in Arizona. Megaton has trained in judo and Brazilian jiu-jitsu since 1976. His wife Luciana and daughter Mackenzie Dern are also black belts in the discipline, under his tutelage.[4][5]

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.[6]

Instructor LineageEdit

Mitsuyo "Count Koma" MaedaCarlos Gracie, Sr.Helio GracieRoyler Gracie → Wellington "Megaton" Dias


  1. ^ "World Master IBJJF Jiu-Jitsu Championship 2014" (PDF). 2014-11-02. Retrieved 2014-11-10.
  2. ^ "Wellington "Megaton" Dias (Gracie Humaitá)". BJJ Heroes. September 5, 2010. Retrieved December 12, 2012.
  3. ^ "Megaton main BJJ (GI) achievements since 2004". 2014-01-18. Retrieved 2014-01-18.
  4. ^ "Megaton Brazilian Jiu Jitsu Belt List". Retrieved 2016-10-05.
  5. ^ Megaton Brazilian Jiu Jitsu. "". Retrieved 2007-11-15.
  6. ^ "Best/Worst Nickname Awards". Retrieved 2007-11-15.

External linksEdit