Green Skull

Green Skull is an Omnitrix alien that appears on Earth-68, the universe owned by Dioga beta. Green Skull is of an unknown species from an unknown planet.

Appearance
Green Skull resembles Khyber, his skin more green than Khyber’s. He’s wearing a green and black shirt and grey pants. His entire outfit is encompassed with a skeleton outline, it armoring his chest and back, and extending down his arms and legs. The Omnitrix symbol is on his chest, located in the bone armor like a heart.

Powers and Abilities
Green Skull's primary ability is his ultrasonic whistle. With it, he can control non-sapient beings, shown when he took command of an army of pigs.

Green Skull has enhanced strength, durability and agility.

Dimension 0
Green Skull is used by GIR, where he uses an army of pigs to crush Vilgax. His eyes are red due to GIR's anger.
 * GIR: Generally Idiotic Robot

Trivia

 * Green Skull's name is a parody of Marvel's Red Skull, resembling his head color.
 * Green Skull's bone armor is based off Khyber's attire.
 * Green Skull was originally conceptualized for his use by GIR above.