Castanets-kun (カスタネットくん) is a character in the Anpanman anime.
Castanets-kun plays the instruments he's named for. His eyes are shaped like music notes. He wears a big set of castanets on his head.
Castanets-kun makes his first appearance in the episode "Mimi-sensei and Castanets-kun" (June 14, 2013).