The animated trio of singing chipmunks has since gone on to lead ... but their names hearken back to their origin. Alvin, the leader; Simon, the smart one; and Theodore, the cute one, were all ...

In one particular scene of the 2007 live-action flick, we can clearly hear that there is a fourth voice that doesn’t belong ...

After a concert mishap lands Dave in the hospital, Alvin, Simon, and Theodore end up in ... Ian Hawke. The Chipmunks and the Chipettes square off; romantic sparks and crazy mishaps ensue.