Wayne Knight

Wayne Elliot Knight (born August 7, 1955) is an American actor and former private investigator, best known for his role as Dojo in Xiaolin Showdown, Jack O'Lantern in The Grim Adventures of Billy & Mandy, Emperor Zurg in Buzz Lightyear of Star Command, Dennis Nedry in Jurassic Park, Officer Don Orville in 3rd Rock from the Sun, and Newman from "Seinfeld".

For Amphibia he plays Ned in the third season.