Finis makes his debut appearance in Bakugan: Battle Dimensions as one of the main antagonists of the series's second arc. He is a masked entity from the future who acts as an overseer of the balance between time and space in Valhalla, thus unable to die. He is Dan's fated rival and sees the other Battle Brawlers as contradictions to the balance he protects, thus he is determined to eliminate them with the Chaos Bakugan he commands. Finis was once a friend and mentor to the Brawlers' newest members, Lux and Gaia, and he also seems to be directly linked to the evil Bakugan Dio Sivac.