Ben 10 (The New 20)

Biography
Ben was  normal ten-year-old kid, until he found the Omnitrix, a powerful watch-like device that allowed him to turn into ten different aliens. Though initially immature and clumsy, he grew as a true hero.

Powers
The Omnitrix

Unarmed Combat

Opening/Ending (The New 20 game)
Opening

The amazing Ben 10 learns from his wacth that Darkseid has come to Earth. Ben, not willing to die, must used his powers against Darkseid and his army of the undead.

Ending

In order to defeat Darkseid, Ben used the Ascalom amror and killed him. However, Vilgax says that with the Ascalon, the Omnitrix and Darkseid's power, he could rid the universe of evil for good. Ben finds this interesting, and tried it. The blast created a world without the Omnitrix: the Flashpoint Earth. The Flash found him their a day later and saved him by going back before Ben used it to let Superman win. After that, Ben and the Justice League face off the now alive army of Darksied.