ニガウリマン

Nigauriman is based on the bitter melon fruit, with his head modeled after it. He wears a dark hat, a orange and green shirt patterned from the fruit, tan colored pants, and dark red shoes. He also possess a white guitar.
Nigauriman is capable of spawning bitter melon fruits and shooting bitter melon juice from the guitar.

(Source: Anpanman Wikia)