I Am the Greatest: The Adventures of Muhammad Ali
He's not just a boxer, he's also a cartoon character! I Am the Greatest: The Adventures of Muhammad Ali is a cartoon show about the famous boxer Muhammad Ali and his life adventures. The real-life Ali actually voiced his own character! Broadcast on Saturday mornings in the fall of 1977, this NBC show did not do great in the ratings. It was permanently cancelled after just 13 episodes.
Hammerman
Back in the 1970s, every celebrity wanted their own cartoon for some reason. MC Hammer was no exception to the rule. This Saturday morning cartoon starred rapper and pop star MC Hammer for it's entire thirteen episodes run on ABC. Airing in the fall of 1991, the DIC Animation City series received very little acclaim and was cancelled quickly after it's debut.