Ultimate Way Big

Ultimate Way Big is the evolved form of Way Big.

Appearance
Ultimate Way Big is almost identical to Way Big. The white parts of his body (except for his chest and forearms) are changed to blue, and he has 2 horns in the left and right of his fin on top of his head, similar to Alien X and Ditto.

Powers and Abilities
Ultimate Way Big is stronger than Way Big, as he was able to pull Diagon, to the ground. He was colossal when compared to Ultimate Way Big's size at the time.

Ultimate Way Big has the ability to fly.

Ultimate Way Big's cosmic beam attack is stronger than Way Big's.

Ultimate Way Big is able to create energy discs that were able to cut off one of Diagon's tentacles.

Weaknesses
As with his base form, Ultimate Way Big's size precludes him from fighting in confined spaces.

Ultimate Way Big can be harmed by Diagon's magic acid rain.

Ultimate Alien

 * Ultimate Way Big first appeared in The Ultimate Enemy: Part 2.
 * Ultimate Way Big tried to defeat Diagon, but was defeated by the acid rain brought down by Diagon.

Appearances

 * The Ultimate Enemy: Part 2 (first appearance)

Trivia

 * Appearance-wise, Ultimate Way Big bears a striking resemblance to Ultraman Taro from Ultraman and also has very similar powers. However, color-wise, he bears a striking resemblance to Ultraman Cosmos instead.
 * Ultimate Way Big was first hinted on the DVD cover of Ben 10: Ultimate Alien named "The Ultimate Ending", where his back is shown, with Ultimate Way Big facing Diagon.
 * Ultimate Way Big is one of Ben's alien forms who is not in the lineup of aliens in the Ben 10: Ultimate Alien intro, the others being Fasttrack, Eatle, Ultimate Wildmutt, Clockwork, Shocksquatch, ChamAlien and Jury Rigg although this is due to their existence not being known until Season 2.
 * While Way Big shoots his cosmic ray by putting his right hand vertical and left hand horizontal, Ultimate Way Big does it by putting his left hand vertical and his right hand horizontal.