What is melvin and the chipmunks?

Melvin and the Chipmunks is not a known or established entity. However, Alvin and the Chipmunks is a popular American media franchise created by Ross Bagdasarian Sr. in 1958. The franchise features a group of singing anthropomorphic chipmunks: Alvin, Simon, and Theodore. The characters were originally created for a novelty record in which the chipmunk voices were sped up. The success of the record led to television shows, movies, and merchandise. The franchise has become a cultural touchstone, and the characters remain beloved by children and adults alike.