Eddie Deezen

Edward Harry Deezen is an American actor and comedian. A native of Cumberland, Maryland, he initially began his career as a stand-up comedian before moving to California, where he would quickly become known for his roles as "nerd" characters in films including the Grease movies, Midnight Madness (1980), I Wanna Hold Your Hand (1978), and WarGames (1983). He is also known for his various voice acting roles across multiple movies and TV series, most notably as Mandark in Dexter's Laboratory (1996), the Know-It-All Kid in The Polar Express (2004), and Ned in Kim Possible (2002).