Kanga's Joey is a character from A.A. Milne's classic children's book, 'Winnie-the-Pooh'. He is the son of Kanga, a kangaroo, and is often referred to as Roo, which is the three-letter answer to this crossword puzzle. Joey is a young joey who loves to play with his friends in the Hundred Acre Wood. He is often seen bouncing around on his mother's back or playing tag with his friends. He is a lovable character who is always up for an adventure.