Ross Bagdasarian Jr. is an American musician, voice actor, and producer, best known for his work with the animated group Alvin and the Chipmunks. He is the son of Ross Bagdasarian Sr., the creator of the Chipmunks, and took over the franchise after his father's passing in 1972. In addition to his role in the Chipmunks, Ross Bagdasarian Jr. has contributed to various television shows and films, helping to modernize the characters for new generations. He continues to be involved in the production of Alvin and the Chipmunks media, including movies and music.