The Chipmunks are a fictional animated music group created by Ross Bagdasarian Sr. in 1958. The group consists of three anthropomorphic chipmunks named Alvin, Simon, and Theodore. They are known for their high-pitched voices and catchy songs, often performing popular music and original compositions. The Chipmunks have appeared in various television shows, movies, and albums over the years. Their popularity has led to numerous adaptations, including a successful film series that began in 2007. The characters are often portrayed as mischievous yet lovable, appealing to both children and adults alike.