|Body type:||Giant Turtle|
|Abilities:||Hiding, Headbutting, Energy Blasts|
Shellhead is an alien in Ben 10: MEGA Alien. He is one of the additional aliens.
Shellhead looks like a regular turtle from Earth except he is the size of a bear and doesn't have a tail.
Shellhead's only power is to hide in his shell and hide in his shell. He currently has an unknown power to shoot energy beams from his mouth.
He is really slow.
He debuts in a currently unknown episode.