Ben 10 Fan Fiction Wiki
Ben 10 Fan Fiction Wiki


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Bad Terraspin is the Omnitrix's DNA sample of a Geochelone Aerio from the planet Aldabra in the Andromeda Galaxy.


Bad Terraspin is a green, turtle-like alien with eight holes in his shell. He also has large, flipper-like arms, stumpy legs and a tail. The tips of his arms have three holes each, which can extend finger-like claws to use as fingers. He wears the Omnitrix symbol on his chest.

Powers and Abilities

Bad Terraspin can create devastating wind blasts and tornados. When doing so, he retracts his head into his shell, opens a hatch to see, his fins become triangular, his legs are also retracted and his tail gets rigid in order to spin. His shell stays static and suspended while his limbs rotate at high speeds.

The holes in Bad Terraspin's shell eject powerful winds, as well as the reverse, creating strong vacuums. He can use his winds to fly, blowing air to hover over a surface and using his rotating limbs as propellers.

Bad Terraspin's wind blasts are powerful enough to redirect objects, but he also possesses enhanced strength, as he was able to charge into a building by busting down a door and punch a mutant seagull.

Bad Terraspin is immune to poisonous gas, and is selectively immune to both spells and Mana. Bad Terraspin possesses enhanced durability when he is completely withdrawn into his shell, as demonstrated by Galapagus.

Bad Terraspin can extend the black holes at the tips of his flippers into finger-like claws and although Bad Terraspin has never trained himself to do so, other Geochelone Aerios, including Addwaitya, are capable of using magic.


If he gets stuck to something and cannot spin his arms and legs, or if any the holes on his chest get blocked, Bad Terraspin's wind powers will decrease.

Unless he is flying, Bad Terraspin's body is cumbersome and not very agile. The position of his face also gives him a very big blind spot and he has to turn his entire body around to see behind him.

If a small object is jammed in Bad Terraspin's shell, it can cause him to stop in order to remove the obstruction. This also appears to cause him great discomfort, as he describes the ordeal to be "really not comfortable".

Bad Terraspin can be affected by magic if he is not using his magic immunity.

If Bad Terraspin spins his whole body while holding onto something at high speed, it would leave Ben very dizzy as a result when he reverts to human.