Monica E. Geller is a fictional character, one of the six main characters who appears on the American sitcom Friends (1994–2004). Created by David Crane and Marta Kauffman, and portrayed by actress Courteney Cox, Monica appears in all of the show's 236 episodes, from its premiere in 1994, to its finale in 2004. A chef known for her cleanliness, competitiveness and obsessive-compulsive nature, Monica is the younger sister of Ross Geller and best friend of Rachel Green, the latter of whom she invites to live with her after Rachel forsakes her own wedding. The two characters spend several years living together as roommates until Monica begins a romantic relationship with long-time neighbor and friend Chandler Bing, whom she marries. Unable to conceive children on their own, Chandler and Monica eventually adopt twins Erica and Jack and move out of their apartment into a larger house in the suburbs.

Courteney Bass Cox is an American actress, director, and filmmaker. She rose to international prominence for playing Monica Geller in the NBC sitcom Friends (1994–2004) and Gale Weathers in the horror film franchise Scream (1996–present). Her accolades include a Screen Actors Guild Award, nominations for two Emmy Awards and a Golden Globe Award, and a star on the Hollywood Walk of Fame.