Ben Tennyson

Ben Tennyson is a famous teen hero and wielder of the Omnitrix. He is the tritagonist of the Hero Time! series.

Appearance
Ben has long brown hair, green eyes, and pale skin.

In Hero Time!, Ben wore a black shirt, blue pants and a green jacket with white stripes and the number 10 on it, and black shoes. Ben wore the Ultimatrix on his left wrist.

In Hero Time! 2, Ben wears a new shirt which is black and has a green stripe in the middle with a 10 and green stripes on the sides of his shirt. He wears brown pants with pockets at the knees and green and white shoes. He wears the Omnitrix on his left wrist.

Powers and Evilities
Ben is the wielder of the Omnitrix (previously the Ultimatrix), which gave him the power to modify his own genetic code in order to turn into various alien creatures, literally making him an alien shape-shifter.

When transforming into an alien, Ben gets all the creature's features, including its appearance, voice, all of its unique and special abilities and powers, strengths and weaknesses. Though he mostly retains his personality, there are some cases where the transformation causes change in it, such as Rath being far more aggressive, Spidermonkey acting more childish, or Jury Rigg having the desire to destroy/fix machines.

In addition to transforming into aliens, the Ultimatrix included what is referred as an "evolutionary function," that allowed Ben to evolve his aliens forms in order to get upgraded versions of them, referred to as Ultimate Forms. It's explained that the function works by placing the selected alien form in a simulated worst-case scenario for a millennia or so, then simply modifying the old DNA to match the new DNA.

Outside of the Omnitrix, Ben uses hand-to-hand combat to defend himself and dodge rolls to stay safe.

Weaknesses
Ben's main ability with the Omnitrix is also his main weakness. Whenever the device times out, Ben is left powerless until he either dodges or switches to a new alien form.

Appearances
Ben has been in every installment ever created so far in the franchise.
 * Hero Time!
 * Hero Time! 2

Trivia

 * Ben has an allergy to peanuts and has a fear of peacocks.