Roo is a fictional character from A.A. Milne's Winnie-the-Pooh stories. He is a young kangaroo and the best friend of Winnie-the-Pooh. Roo is often seen bouncing around the Hundred Acre Wood, playing with his mother Kanga and his toy bouncy ball. He is a loyal companion to Winnie-the-Pooh and is often seen helping him out of sticky situations. Roo is the little friend of Winnie-the-Pooh and is an important part of the Hundred Acre Wood gang.