The Urban Herald on Instagram: "The 1991 Simpsons episode "Stark Raving Dad" stands as one of television's most unique celebrity collaborations, featuring Michael Jackson voicing Leon Kompowsky, a psychiatric patient convinced he was the pop superstar. Due to contractual restrictions, Jackson remained uncredited, appearing in the credits as "John Jay Smith." Interestingly, while the King of Pop provided all the dialogue, professional vocal impersonator Kipp Lennon performed the singing parts, in