Later on, she has shorter hair with a blue hairclip, a light blue T-shirt with her cat logo on it, a blue plaid miniskirt and wears blue-tinted glasses. She now wears clothes similar to her Alien Force seasons 1-2 outfit, except she now wear long white socks that go up to her knees with black mary janes. In Omniverse, Gwen still has her ponytail, but it's much shorter. In It's Not Easy Being Gwen, she is seen wearing a grey t-shirt and black running shorts during her morning run. In Inspector 13, Gwen is seen wearing a violet tank with a white skirt and tennis shoes.

In Ultimate Alien, Gwen's outfit is similar to her outfit from the first two seasons of Alien Force, but with a red sweater instead of her blue one. In her Anodite form, she looks like a slightly smaller version of Verdona. In the third season, she wears a red shirt paired with a black vest, gray pants, and black flats. Her hair has also grown longer and is now down to her waist.

In the first and second seasons of Alien Force, Gwen wore a white shirt under a dark blue sweater, black stockings under a black mini skirt, and black high heels. Her lucky girl outfit is worn in Lucky Girl and Tough Luck.

In the original series, Gwen had short orange hair held by a blue hair clip and green eyes and wore a blue shirt with a cat logo on her chest and white capris.

4.1 Mana Manipulation and Energy Control.

Ben 10 omniverse gwen