Seth Cohen is the quirky, hip, hilarious teen of The O.C., known for his super fast one liners and loved by all the ladies (alteast after he meets Ryan).
Nicknames: Cohen, Sethy
Ethnic Background: Jewish but his mother is of another faith
Lives: Newport Beach
Hobbies: Comic Books, Indie Music, Sailing, Skateboarding, Anime
Main Friends: Ryan Atwood, Summer Roberts, Marissa Cooper
Favorite Bands: Deathcab For Cutie, Bright Eyes, The Shins
Favorite Movies: The Goonies
Favorite Book: The Amazing Adventures of Kavalier and Clay
Side Kick: Captain Oats, Ryan Atwood
Birthday: April 06, 1988 (not confirmed)
Birthplace: Berkley, CA (not confirmed)
Siblings: Seth was born an only child but later Ryan Atwood becomes his adopted brother
Love interests: Briefly dated Anna Stern, Alex Kelly but majority of the time kept an On and off relationship with Summer Roberts (his dream girl)
Jobs: Briefly worked at The Bait Shop as a janitor
Favorite Food: Cereal, bagels, Chinese takeout food
Parents: Sandy Cohen and Kirsten Cohen
Quirks: In the episode "The Countdown" Seth proclaims that he is claustrophobic
Character played by: Adam Brody