Katrina Charlotte Coretta Scott "K.C." Cooper is a 15-year-old girl and the protagonist of the live-action television program, K.C. Undercover. She is an outspoken, confident technology wiz and skilled black belt. She discovers that both her parents are spies with aspirations that she will follow in their footsteps.
She is portrayed by Zendaya.
K.C. is an intelligent, extremely mature, and multi-talented teenager whose skills range from computer programming to being a black belt in the martial arts.
K.C. is a smart and socially awkward girl who is very skilled in computers and programming and has a black belt in martial arts.
K.C. has curly and long brown hair, brown eyes, and light brown skin. She dresses a little tomboyish and is highly attractive.
Kira is K.C.'s mother.
Craig is K.C.'s father.
Ernie is K.C.'s little brother.
Judy is K.C.'s little sister. Though a robot, K.C. appears to show no interest in being around her.
Marisa is K.C.'s best friend.
- K.C. Cooper was originally called Katy Cooper.
- In an interview with OK! magazine, Zendaya called K.C. "smart" and "socially awkward." She also said that K.C.'s special talent is doing her homework.
- In an interview with ANDPOP, Zendaya said that K.C. can only do tango and ballroom dancing, and other than that she's "really awkward and stiff". 
- Her full name is Katrina Charlotte Cooper.
- She is much like Raven-Symoné's character, Raven Baxter.
- Both have a secret job/power. (Raven is a psychic, K.C is a spy)
- Both have "annyoing" little brothers. (Ernie, Cory)
- Both use weapons.
- Both use costumes a lot.
- In The Stakeout Takeout, K.C. is revealed to have a side that can let loose, but that's only because she was supposed to go on vacation to Miami with Marissa