Sixsix

Sixsix is a bounty hunter who was originally ordered by Vilgax. He is a dangerous criminal. Tetrax is out to destroy him. He was once teamed up with Tetrax and Kraab to recieve the Omnitrix when Ben was still only 10. He has a brother called sevenseven who appeared in Alien Force and Ultimate Alien and'' a sister called EightEight who is going to appear in Omniverse. Note:If you are looking for the Sem 10 alien with the same appearance take this link to the page TenTen. ''

In the series Kobra 10, he appears in in the episode Dante's Secret Revealed where he is sent by Vilgax to obtain the Omnitrix but Kobra as Upgrade and Dante's Tech Blaster defeated him. When he returned to Vilgax empty handed he killed him.

Appearances

 * Outta Control

ben 10 alien alliance
chaos unbound(camo)

that dreaded day

Ben 10: Bio Squad
In Ben 10: Bio Squad, he appears often, but along with Sevenseven, Eighteight, and Ninenine more frequently than not. In Season 3 he joins the League of Evil.

Appearances

 * The Power of Numbers
 * Why Was Six Afraid of Seven?
 * ...Because Seven Eight Nine
 * Evil Rising
 * Evil Together
 * Synchronization of Evil
 * Elections of Grodun
 * The Thousand Year War P1
 * The Thousand Year War P2
 * Fall of a Hero
 * Evil Realities
 * Evil Returns
 * The Seven Keys of Space
 * Return to Grodun
 * Tensions Running High
 * A Hero Returns
 * Connections P1
 * Connections P2
 * The End of the Beginning
 * The Legion Rising P1
 * The Legion Rising P2
 * Nevermore
 * Cease Fire
 * The Final Synchronization P1
 * The Final Synchronization P2

John Smith 10
Sixsix appears as a bounty hunter sent by Vilgax to retrieve the Omnitrix. He teams up with Kraab, but they are defeated by John and Tetrax.

Appearances

 * Hunted (John Smith 10)
 * Knight's Temple

Galactic Battle

 * General Kevin

Ben 10: Hero of Heroes
He appears in Stress, Stress and More Stress.

Chaturn 10: Fan Force

 * Origins of Chaturn, Part 2
 * Bad Luck