Dragomon

Dragomon is a minor villain in the Digimon series, Digimon Xros Wars (he also made a cameo appearence in Digimon Adventure 02). He resembles a Cthulhu-based sea monster with blue skin, red wings, and also weilds a trident as a weapon

Dragomon was going after a Plesiomon who wanted to capture him, but Tagiru and the others managed to stop Dragomon. Dragon brainwashed Mizuki, but Tagiru snapped her out of the possesion. With the help of Submarimon, Arresterdramon defeated Dragomon, and Tagiru captured him as well.