Ben Tennyson (Earth-103)/Dimension 1-10

Sir Benjamin X is a Forever Knight who helps eliminate alien threats by using his own aliens.

Appearance
He has grey eyes and a grey version of his AF jacket. Instead of a 10, there is a infinity symbol.

History
His timeline diverges from the main one around the time of Alien Force. In one of AF's episode where he was asked to join the Forever Knights, instead of declining he has accepted the offer. With Gwen and Kevin declining and becoming full-time Plumbers who stop him and his Forever Knights.

Omnitrix
His Omnitrix has turned Grey, and now gives the aliens he chooses clothing.