DJ Octavio (Japanese: DJタコワサ将軍 DJ Takowasa Shogun / General DJ-Takowasa) is the main antagonist and final boss of Splatoon's Hero Mode.

   He is the leader and king of the Octarians.

   During the boss fight with DJ Octavio, he will try and splat you or crush you with the many weapons equipped to the Octobot.    The boss stage and boss itself uses everything you have learnt in Hero Mode.

   There are five stages to his boss battle, throwing steadily more frantic and diverse attacks at you, while you platform across steadily more treacherous terrain.

 

http://splatoon.wikia.com/wiki/DJ_Octavio