BakuExo-Skin is a series of Bakugan. Four were released. They are Avior, who has a rough outside and Rubanoid who has a texture less outside. The trait that defines these Bakugan as a BakuExo-Skin Bakugan are its texture on the outside. Bakugan Avior Rubanoid Gallery Add an image Avior"> Retrieved from "https://bakugan.fandom.com/wiki/BakuExo-Skin?oldid=697409" Categories: Gundalian Invaders Bakugan Bakugan (game) Season 3 Bakugan Special Treatment Bakugan: Gundalian Invaders Bakugan Community content is available under CC-BY-SA unless otherwise noted.