Edward Harry "Eddie" Deezen is an American actor, voice actor, and comedian best known as the voice of Mandark on Cartoon Network's Dexter's Laboratory.
- 1980 - Midnight Madness as Wesley - White Team Leader
- 1991 - Darkwing Duck as Mouth
- 1992 - Goof Troop as Road Hogs Biker
- 1996 - Mighty Ducks as Alvin Yasbeck
- 1996 - Timon & Pumbaa as Bahuka
- 1996 - Spy Hard as Rancor Guard who gets spit on
- 1997 - The Brave Little Toaster to the Rescue as Charlie
- 1999 - Recess as Frank 'Tiny' Sedgwick
- 2005 - Kim Possible Movie: So the Drama as Ned
- 2011 - Handy Manny as Zip the power socket tool
- 2015 - Star vs. the Forces of Evil as Squares
- 2016 - Wander Over Yonder as Cartoon Peepers
- Deezen was once considered for the role of Judge Doom in Who Framed Roger Rabbit along with several other actors that were also considered. He was also considered for the voice role of Roger Rabbit.