Octomon

Octomon is a minor villain in Digimon Xros Wars that is one of Neptunmon's henchmen. He resembles an octopus-like monster with a upside-down jug on its head, which his eyes can still be seen. He weilds two weapons: a sword and an ink gun

Digimon Xros Wars
Octomon appeared when he hijacked a Mantarymon, and attacked the heroes. He attempted to drag Shoutmon X2 to a watery grave, but with the help of Kamemon, he is able to breathe underwater and saved the three heroes in an air bubble. Then the advanced Shoutmon X2 killed Octomon with his Buddy Blaster attack.