Johnny Depp
From Tardis Wiki, the free Doctor Who reference
Johnny Depp was an actor who played the part of Frederick Abberline. (COMIC: Ripper's Curse) Luke Smith read in Heat that he had coulrophobia. (TV: The Day of the Clown)
Melissa Hopley told her her daughter to fetch her new magazine with Johnny Depp on the cover. Violet was scared and didn't want to go upstairs. Her father told her that there was nothing to be scared of, that she should go and say hi to Johnny Depp for him. (COMIC: The Monster Upstairs)
Behind the scenes
The movie referenced is From Hell which was loosely adapted from Alan Moore's comic series of the same name.
