|First Appearance||Constellation Pecola|
|Voiced By||ENG: Adrian Truss
JP: Akio Kato
Mr. Lonely (ロンリーさん, ronri-san) is a character from Pecola series.
A wolf. He is a poet who is usually found writing and reciting sad poetry. He also once rapped in the episode, Coco's Concert, but is unable to write poetry when in a happy mood.