@freakydungeon on Instagram: "Alvin is a fictional character and the leader of the Chipmunks, a group of singing anthropomorphic chipmunks created by Ross Bagdasarian Sr. in the late 1950s. Alvin, along with his brothers Simon and Theodore, is known for his mischievous personality and distinctive high-pitched voice. The Chipmunks gained fame through music, animated series, and movies, appealing to both children and adults."