Ernie Kovacs

Ernie Kovacs was an American comedian and actor that played Percy Dovetonsils.

History
When the network producer told Krusty that today's kids are uncomfortable with a clown whose every reference they have to look up on Wikipedia, Krusty told them that with names like Wikipedia and Twitter, who names these things, mentioning Percy Dovetonsils. He wondered then if they got it, so he told them that he was Ernie Kovacs, with a smoking jacket.