Monica Geller Monica Geller 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 each of the show's 236 episodes, from its premiere on September 24, 1994, to its finale on May 6, 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
Ross Geller Ross's most significant relationship during the series. His attraction to her is established early on; Ross met Rachel through his sister Monica, who was Rachel's best friend in high school. He developed an unrequited crush on her, but never followed through on it. After leaving college, Ross married Carol, whom he had met at college, and had seemingly put his feelings for Rachel aside before he met her again in The Pilot. They have an on-again, off-again dynamic throughout most of the show. In the Season 1 finale, Ross has to go to China for his work so he asks