1) AA Milne baby 2) AA Milne character 3) AA Milne creature 4) AA Milne hopper 5) AA milne kid 6) AA Milne marsupial 7) Associate of Tigger 8) Aussie bouncer 9) Aussie bounder 10) Aussie critter 11) Aussie hopper 12) Aussie icon 13) Aussie jumper 14) Aussie leaper 15) Aussie mammal 16) Aussie marsupial 1) Friendofeeyore 
Roo is a fictional character created in 1926 by A. A. Milne and first featured in the book Winnie–the–Pooh. He is a young kangaroo (known as a joey) and his mother is Kanga. Like most other Pooh characters, Roo is based on a stuffed toy animal that belonged to Milne`s son, Christopher Robin Milne, though stuffed Roo was lost a long time ago. ....
Rule of origin.
Kangaroo.
Roo is slang for kangaroo.
Kangaroo
Used as a suffix to denote a diminutive. E.g. Hrairoo.
kangaroo