One of the greats of Saturday Night Live, you'd never expect that Phil Hartman started out doing voice work for the '80s animated series, Dennis the Menace. He played Dennis's father, as well as grumpy neighbor, Mr. Wilson, at around the same time he started appearing on Saturday Night Live. He eventually left Dennis the Menace after one season, as he wanted to focus on SNL full time.
His career as a voice actor continued and he's responsible for some of our favorite characters from '90s cartoons. He worked on DuckTales, Captain Planet, and Darkwing Duck (we're not sure what was with all of the duck themes!). Some of his best work, however, was as down and out actor, Troy McClure in The Simpsons. Who doesn't love watching an episode that features good old Troy?