|"Unknown Male Adult Rabbit (Number 4)" is not an official name.|
|Unknown Male Adult Rabbit|
|Hair color||Dark brown|
|Cartoon debut||"Flea to Be You and Me"|
Unknown Male Adult Rabbit is an unnamed character who made his debut in the episode "World Girls".
He was seen at the World Girl World mall holding a bag. It's unknown who he was holding the bag for, but there is a chance he was holding it for his daughters.
He spoke to Arthur in French during the opening to the episode D.W. on Ice.
Unknown Male Adult Rabbit is a rabbit with a light brown complexion. He wore blue shorts, has a white belt, a white shirt, green socks, black shoes, and has a blue sweater wrapped around his neck. He has black hair. In the episode D.W. on Ice, he wore a green sweater.