Edward Harry Deezen (born March 6, 1957) is an American actor and comedian. He played bit parts as nerd characters in 1970s and 1980s films such as Grease, Grease 2, Midnight Madness, I Wanna Hold Your Hand, 1941, and WarGames. He starred in Surf II: The End of the Trilogy, Mob Boss, Beverly Hills Vamp, and Teenage Exorcist, and was also the voice of Mandark on Dexter's Laboratory.
For Nickelodeon, he appeared as himself in the SpongeBob SquarePants special "Truth or Square", and voiced one of the seagulls in The SpongeBob Movie: Sponge Out of Water.