Trey

Trey is a man with a tree head, glasses and leaf ears that Tibby encounters in Rhythm Heaven Megamix. He is the guardian of the Lush Tower.

Trivia

Trey's appearance was changed in the English version, likely to avoid looking like a racial stereotype.
According to his cafe dialogue, he has apparently had a dream where he sees what he describes as someone who looks a lot like him, but actually more like Tibby.