Probably when he was the Joker in Batman.
Super Mario is the most famous character
Arguably, the most famous character would be the titular Harry Potter.
jack sparrow(johnny depp)is the most famous!
Jack
Jack Leon Ruby is most famous for shooting and killing Lee Harvey Oswald. Jack Ruby was a nightclub operator in Dallas Texas. Jack Ruby has a connection with the gangsters.
Charlie
Jack the Ripper
Jack Costanzo
Beatrix Potter's most famous Puddle-Duck character is Jemima Puddle-Duck.
Santa Claus
Mickey Mouse
Eric Cartmen is a fictional character on the cartoon show, South Park. He is the most popular character on the show, famous for his politically incorrect behavior.