Wikia

Shellhead is a future alien of Ben 10,000

Appearance

Shellhead resembles a giant turtle.

Shellhead has the ability to hide in his shell when feeling threatened.

Unknown

Unknown

Ben 10 Aliens
Introduced in Ben 10
Heatblast \| Wildmutt \| Diamondhead \| XLR8 \| Grey Matter \| Four Arms \| Stinkfly \| Ripjaws \| Upgrade \| Ghostfreak \| Cannonbolt \| Wildvine \| Spitter \| Buzzshock \| Articguana \| Blitzwolfer \| Snare-oh \| Frankenstrike \| Upchuck \| Ditto \| Eye Guy \| Way Big
Introduced in Ben 10: Alien Force
Swampfire \| Echo Echo \| Humungousaur \| Jetray \| Big Chill \| Chromastone \| Brainstorm \| Spidermonkey \| Goop \| Alien X \| Lodestar \| Nanomech \| Rath
Introduced in Ben 10: Ultimate Alien
Water Hazard \| Terraspin \| NRG \| Armodrillo \| AmpFibian \| Fasttrack \| Clockwork \| ChamAlien \| Eatle \| Jury Rigg
Introduced in Generator Rex
Shocksquatch
Introduced in Ben 10: Omniverse
Feedback \| Bloxx \| Gravattack \| Crashhopper \| Ball Weevil \| Walkatrout \| Pesky Dust \| Molestache \| The Worst \| Kickin Hawk \| Toepick \| Astrodactyl \| Bullfrag
Ultimate Forms
Ultimate Swampfire \| Ultimate Spidermonkey \| Ultimate Big Chill \| Ultimate Humungousaur \| Ultimate Cannonbolt \| Ultimate Echo Echo \| Ultimate Wildmutt \| Ultimate Way Big \| Ultimate Ben (Possible Future)
See also
Atomix \| Snakepit \| Sandbox \| Shellhead \| Rocks \| Squidstrictor
Fusion Aliens
Stink Arms \| Diamond Matter \| Heat Jaws