Found in Act II Inferno - North of Desolate Sands WP
Diablo III:
Nine-Toads <Terror of the Borderlands>
http://i158.photobucket.com/albums/t...Nine-Toads.png
Borderlands:
Nine-Toes
http://images.wikia.com/borderlands/.../Nine_toes.png
I doubt he has a 100% spawn rate, as I've only found him once while corpse running.