Titan Nillious (タイタン・ニリアス,Taitan Niriasu?) is a Hydra/Dragon hybrid Bakugan that appears in Bakugan Battle Planet. He is the Guardian Bakugan of Magnus Black. He is the evolved form of Hyper Nillious.
The double-headed Nillious main motive in brawls is to kill - not to win. He does not like fighting as a team with his partner, Nillious is out to satisfy only himself. He likes to go rogue. Each head has its own personality & ability. Untamable & vicious, Magnus has his hands full keeping Nillious in line.
Bakugan: Battle Planet
Titan Nillious is the first super evolved Bakugan seen in Battle Planet.
Titan Nillious is the first evolved Bakugan to gain two physical beings.