Gerald William "Jerry" Trainor (born January 21, 1977) is an American actor, comedian and musician. He is best known for his roles as "Crazy" Steve in Drake & Josh, Spencer Shay in iCarly and as the voice of Dudley Puppy in T.U.F.F. Puppy.

For Disney, he voiced Will in four episodes of Doc McStuffins and voiced Roy in the Star vs. the Forces of Evil episode "Goblin Dogs".