The term ALVIN AND THE CHIPMUNKS, E.G. is a reference to a popular musical group consisting of three members, which can be represented by the crossword solution TRIO (4 letters). Alvin and the Chipmunks are an animated singing group created in 1958 by Ross Bagdasarian Sr., also known as David Seville. The group consists of three anthropomorphic chipmunks: Alvin, Simon, and Theodore. They have released numerous albums and have been featured in several films and television series.