Marissa Cooper is the pretty girl next door that everyone wants to be. She is very caring and loyal even if that means putting her other relationships at risk.
Nicknames: Coop, Cooper
Ethnic Background: Unknown
Lives: Newport
Hobbies: Shopping, Tanning, Listening to music, Fashion
Talents: Great at school event planning, good dresser
Main Friends: Seth, Summer, Ryan
Favorite Bands: The Cramps, Stiff Little Fingers, The Clash, Rooney
Favorite Movies: unknown
Favorite Book: Gossip magazines
Sidekick: Summer Roberts
Birthday: unknown
Birthplace: Newport
Siblings: Has a younger sister named Kaitlin that is not around much due to her being in private school
Love interests: Luke Ward, DJ (aka Lawn Boy), Alex Kelly, Kevin Volchok and an ongoing "its complicated" relationship with Ryan Atwood throughout the series
Jobs: none
Favorite Food: Cheese sticks
Parents: Jimmy and Julie Cooper-Nichol, Caleb Nichol (ex step dad)
Quirks: Believes that anything can be cured by a little shopping, very experimental with her love interests
Character played by: Mischa Barton