Secret, formerly known as SDX, is an Ultimate Pokémon Trainer and Joker main from Buffalo, New York. He was formerly a Mewtwo player and was considered the best Mewtwo player in the world, defeating players such as Abadango and being ranked in the "Area 51" section on the Spring 2019 PGRU. He went on hiatus after expressing a lack of interest in Ultimate, and although he has made appearances at tournaments since, he has reiterated that he wouldn't be returning to competitive play full-time anytime soon. 
In Smash 4, Secret was a Mewtwo player. With consistent top placings at national tournaments and wins over Ally, Salem, Larry Lurr, ANTi, kameme, Lima, Mistake, WaDi, Elegant, Mr E, Darkshad, and Light, he is currently considered to be the best Mewtwo player in the world. SDX is ranked 1st on the New York Power Rankings and 45th on the Panda Global Rankings 100.