He claims his ancestors were Koga shinobi dogs. Because of this, he knows shinobi techniques and can climb in trees.
He is mostly wolf but has some dog blood. He may have some Kai Ken in him, explaining his stripes.
Ginga Nagareboshi GinEdit
White Tiger fights Akame with the help of naturally caused water from geysers. However, he is overly confident and eventually Akame pierces his throat and tears it open, he dies because of his wound.
See more pictures in White Tiger/Gallery