Jimmy Olsen
From Tardis Wiki, the free Doctor Who reference
Jimmy Olsen was a fictional character who appeared in the Superman comic book series. He was a young reporter working with the Daily Planet.
In an issue of the comic read by the Twelfth Doctor, Jimmy's mother had an appointment with his editor, Perry White, to discuss her disapproval of Jimmy's career choices. While talking to Clark Kent, she noticed a picture on the wall of a young Perry White and declared "that man [was] Jimmy's father!" (TV: The Return of Doctor Mysterio)
