Alvin and the Chipmunks

Alvin and the Chipmunks is an award-winning animated music group, created by Ross Bagdasarian, Sr. in 1958.

The group consists of three singing animated chipmunks :-

Alvin, the mischievous troublemaker, who quickly became the star of the group;
Alvin cartoon
Simon, the tall, bespectacled intellectual;
Simon cartoon
and Theodore, the chubby, impressionable sweetheart.
Theodore cartoon
David Seville
The trio is "managed" by their human "father" and confidant, David Seville.
David Seville cartoon