Dr. Myuu is an antagonist in Dragon Ball GT. He is a brilliant, yet mad scientist who desires nothing more than absolute control of the universe.

To reach his sinister goal of control through the universe, Dr. Myuu creates a powerful enforcer named General Rilldo and tries to gather the Black Star Dragon Balls to use them to complete his ultimate creation, Baby. He also hires Dolltaki, the leader of the Luud Cult, for which he creates a giant Machine Mutant called Luud, as well as Cardinal Mutchy Mutchy and Leon.