These are some of the richest fitness gurus in the world in 2021. 1 Arnold Schwarzenegger. schwarzeneggerVerified. 2 Tony Little. Good morning! ... 3 Chuck Norris. chucknorrisVerified. ... 4 Jane Fonda. janefondaVerified. ... 5 Tracy Anderson. tracyandersonmethodVerified. ... 6 Billy Blanks. ... 7 Tony Horton. ... 8 Richard Simmons. ... More items... Jun 25, 2021