Count Orlok

Count Orlok is a vampire.

History
In a short film by, del Toro mentioned that Count Orlok from  was one of the monsters that he loved.

Non-canon
Count Orlok was seen in Springfield.

Behind the Laughter
Count Orlok is referred to as Nosferatu in The Simpsons: Tapped Out, presumably for copyright reasons.  is the name of the film the character stars in.