Red Water. He aids Goldpaw and friends somewhere around the middle of the book. Has two coats depending on when they visit him. His Wild Coat, and his Clean Coat. He is a Chihuahua and Retriver mix.
In his Wild Coat, Scruff looks very much like a cat. his fur looks brown, with leaves and twigs embedded in it.
In Clean Coat, he is more known to be a dog. His fur is golden cream, with a black patch over his eye. Only looks like this during the full moon, but he will wash himself if Goldpaw or other fellow cats visit him.