Bubble Helmet is a villain from Ben 10 Omniverse.
Bubble Helmet is a caterpillar-like alien with blue life-support power armor. As his name suggests, he has a prominent round helmet.
In The More Things Change: Part 2, he fought with Ben and Rook on train tracks in Undertown. InOutbreak, he had become a Gimlinopithecus/his species hybrid for the duration of the episode as a result of a malfunction with the Omnitrix.
He made a cameo in Special Delivery where he was one of the many villains at Psyphon's auction.
In The Vengers he tried to rob Mr. Baumann's shop and was defeated by the Vengers but in real he was secretly working for them.
In Universe Vs. Tennyson, he was freed by Chadzmuth from his cell along with Sunder.
Powers and Abilities
Bubble Helmet has two staffs that can be swung around and can shoot lasers, as well as a laser gun. He also has a jet pack.
He cannot live on a planet like Earth without life support and will have trouble breathing without it.