This sound is from Humphrey - Jimmy Neutron: Boy Genius - Voices (PlayStation 2)

This is a list of characters in the American film Jimmy Neutron Boy Genius. The animated television series is a spin-off of the animated television show The Adventures of Jimmy Neuutron, Boy Genius and other media. The series is based on the film and TV series The adventures of JimmyNeutron.
See also: Stinking badges, List of comic and cartoon characters named after people, Jim Cummings filmography, 1950 in animation, 2001 in animation, List of television theme music.