Fit-Fat Tony

Fit Tony is Fat Tony's identical cousin, except he is in excellent physical condition. In the Season 22 episode "Donnie Fatso", Fat Tony dies of a heart attack and is subsequently replaced by Fit Tony, who soon gains weight and is rechristened Fat Fit Tony, which is shortened to Fat Tony. When he becomes fat, he beomes identical to Fat Tony, and he takes control of the Springfield Mafia. After this, it is as if Fat Tony never died, and all appearances of Fat Tony are actually of Fit Tony, similar to the situation of Snowball II and Snowball V.