Code Geass

C.C. A girl with long, almost waist-length light green hair and golden eyes. She is of average height. C.C. is immortal, healing from any kind of wound (implied to include beheading) with enough time. She also doesn't age. Apart from her immortality, C.C. has the ability to bestow people with the power of Geass, which manifests differently in each person but generally carries the ability to affect the minds of those it is used on in some way.

Kallen is a young woman who has a slim yet strong build, and fair skin. Her most distinguishing features are her big blue eyes and her red hair, which she had combed down at school but spiked up when fighting or in her own privacy. She has an average height, being slightly taller than C.C. Kallen is a strong-willed, determined, loyal and brave individual who can also be quite short-tempered, forceful and somewhat impulsive. Despite her tough attitude, Kallen is actually quite sensitive, compassive and truly gentle

Euphemia is said to be very beautiful. She has pink hair that is usually styled downwards with two buns on each side of her head. She is taller than average height being slightly shorter than Lelouch and Suzaku. She is usually seen wearing a pink and white dress with a rose choker.

Though she is a member of the Britannian royal family, she remains kind-hearted and open-minded to everyone around her and treats everyone with respect even if they are not Britannian; this universal respect probably stems from her own childhood experiences with her siblings Lelouch and Nunnally whose mother wasn't from the nobility and thus were looked upon with disdain by the other members of the Britannian Imperial Family.

Villetta is a tall young woman with bluish-gray hair, yellow eyes, and dark skin. She is usually seen with a small part of her hair to the right of her face and the rest tied up with golden ties and wrapped in purple fabric. Her usual clothing is a white and red shirt covered by a long, purple vest-like coat. She also wears a black belt, black skirt, black thigh-high stockings, and long purple gloves. Like many Brittanians, Villetta was loyal to the empire and looked down on those from Areas they conquered

(I will add more at some point, but if you want to add more now go straight ahead)