Professor Moriarty, an alternative identity of Alvin Seville, is the main antagonist in The Chipmunks episode Elementary, My Dear Simon.
Appearance[]
He wears a purple top hat, a dark cape, black bow-tie and shoes, green shirt, and grey pants. When inside his house, he wears a red coat. He has a mustache and haircut.
Personality[]
Moriarty is a mean professor who steals things in order to build a machine. He is Sherlock's sworn enemy like in the original Arthur Conan Doyle's stories.