Adam Tennyson

Adam Winters was a normal eleven-year-old kid until he found the Omnitrix, a powerful watch-like device that allowed him to turn into ten different aliens.

Personality
Adam was shown to be less immature and behaves far less recklessly than Ben Tennyson, and shown to think ahead of his enemies. Although, he still possesses some arrogant.

Appearance
Adam's physical appearance has changed from a eleven-year-old to a seventeen-year-old. However, he retains some recurring characteristics. He had shave brown hair, brown eyes, pale skin, and he's quite skinny for his age, though he shows a lot of muscle definition due to being athletic.

In the original series and Omniverse flashbacks, Adam's usual clothes consisted of a green hoodie with a black shirt underneath, black pants and black and white sneakers with black stripes. Adam wore the prototype Omnitrix on his left wrist.

In Alien Force and Ultimate Alien, Adam wore a black shirt, black pants and a green jacket with white stripes and the Omnitrix symbol on it, and black shoes. Adam wore the prototype Omnitrix in Alien Force and the Ultimatrix in Ultimate Alien on his left wrist.

In Omniverse, Adam wore a black shirt that had a green stripe in the middle with a Omnitrix symbol and green stripes on the sides of his shirt underneath the hooded jacket. He wears black pants and green and white shoes. He later gained a green hooded jacket with black stripes on both arms and a Omnitrix symbol on the right side. He wore the Omnitrix on his left wrist.

Powers and Abilities
Adam possessed an Omnitrix and was a very good fighter. He was highly intelligent and had a large amount of knowledge about the Omnitrix, he even unlock the master control. He also possessed the original Omnitrix and the Ultimatrix.