Patrick Stewart is no stranger to voice acting, with regular appearances on the likes of "Family Guy" and "American Dad!" But way back in Season 6 of "The Simpsons," he took on the glorious role ...

a star of Saturday Night Live and The Simpsons. Stewart went on to become a cornerstone in Reubens' iconic Pee-wee franchise. As Miss Yvonne, she was a regular on Pee-wee's Playhouse (1986–1990).