Crimson Viper(クリムゾン・ヴァイパー) is an mysterious American female fighter wearing sunglasses, leather gloves and a form-fitting suit.

The English Profile of Crimson Vipers (On the English site): "This beautiful but tough agent assumes a business like demeanor, seemingly ignoring the pettiness of human emotion and obligation to fellow man in favor of her own goals. She wears a high tech suit with an assortment of deadly gadgetry. Her true goals and identity are unknown."

Crimson Viper uses devices concealed in her gloves and boots. She unleashes the power of electricity with her left hand and uses the power of seismic shocks with her right. Crimson Viper also uses jets hidden her boots for fiery kicks and propulsion assisted high jumps. (As seen in the teaser trailer with Chun Li) Her moves are varied and flashy making her a formidable opponent in the ring.

Birthplace : United States of America

Eye color : Green

Hair color : Pink

Move set : Thunder Knuckle, Burning Kick, Seismic Hammer

(Source: Street Fighter Wiki)