Every alien in Ben 10: Alien Force is incredible, but who are the most powerful among them all?

Upgrade is visually appealing and can merge with and control technology with diverse abilities. XLR8 is a fast and effective alien with incredible speed and offensive capabilities. Heatblast is ...

All the Latest Game Footage and Images from Ben 10: Alien Force Ben Tennyson is now 15 and becoming a leader wearing his powerful Omnitrix again. Grandpa Max is missing and Ben needs the help of Gwen ...