Calvin & the Hip Munks

Calvin and the Hip Munks are an one-shot evil group in the Alvin and the Chipmunks 2015 series                  and the main antagonists in the episode "We're The Chipmunks". They are the evil robotic counterparts of Alvin and the Chipmunks who were created by a duo of executives who want to replace the Chipmunks and steal their career and musical acts to become rich and famous.