Page "The Nutty Squirrels" Paragraph 2

Both musical groups featured the defining sped-up voices, but Ross Bagdasarian, Sr .' s Chipmunks favored popular music while the Squirrels favored jazz, particularly of the bebop variety.

Ultimately, the Squirrels made it to television first, in the animated series The Nutty Squirrels Present ( appearing in September 1960 ), but they were not as popular as the originals.