Mamu

Mamu is a frog-like creature from Link's Awakening. His first appearance was outside a Zelda game, in Super Mario Bros. 2 (American version). His name was in that game, and his name here is his Japanese name. He teaches you the third and final song for the Ocarina, the Frog's Song of Soul.

Mamu resides in a pond in the Signpost Maze. After paying the 300 rupee fee to listen to him jam, Link will learn the Frog Song of Soul. Mamu can not be revisited as they will be away on tour according to the sign.