Furcorn

The Furcorn resembles a fuzzy green ball with two stick-like legs. It has large flat three-toed feet, a gaping mouth with pointed teeth, bulging eyes, and a crooked twig growing out of the top of its head, with a single leaf at the tip, and of course amazing vocals.

https://vignette.wikia.nocookie.net/mysingingmonsters/images/4/41/Furcorn.png/revision/latest/scale-to-width-down/350?cb=20200606030203