Edward Harry "Eddie" Deezen (born March 6, 1957) is an American character actor and comedian, best known for his bit parts as nerd characters in 1970s and 1980s films such as Grease, Grease 2, Midnight Madness, 1941 and WarGames, as well as for larger and starring roles in a number of independent cult films, including Surf II: The End of the Trilogy, Mob Boss, I Wanna Hold Your Hand, Beverly Hills Vamp and Teenage Exorcist. As a voice actor, he is easily recognizable for his distinctively high-pitched and nasal voice, most notably used for the characters of Mandark in the Cartoon Network series Dexter's Laboratory, Snipes the Magpie in Rock-A-Doodle, Ned in Kim Possible and Lenny the Know-It-All in The Polar Express.
- Mandark - Dexter's Laboratory
- Caliph - Scooby Doo in Arabian Nights
- Donny Dodo - Follow That Bird
- Charlie - The Brave Little Toaster to the Rescue
- Ned - Kim Possible
- Snipes - Rock-a-Doodle
- Mouth - Darkwing Duck