Are there any celebrities with the initials IM?

Answer 1

Yes. Broadway star, actress, and singer, Ms. Idina Menzel, who played the role of Elphaba in Wicked. Another would be Irlene Mandrell, country singer who co-starred with her sisters Barbara and Louise in the 80's TV variety series "Barbara Mandrell & The Mandrell Sisters." Also, the late Irish McCalla, pin-up model, actress, later a notable painter; she played the comic-strip character "Sheena, Queen of the Jungle" on 1950's TV.