Ross and Monica’s last name on the television show Friends is Geller. They are siblings in the series and are the children of Jack and Judy Geller, whose family name appears throughout the show.
Ross Geller, played by David Schwimmer, is a paleontologist whose marriages, divorces, and relationship with Rachel Green form major storylines. Monica Geller, played by Courteney Cox, is a chef known for her competitiveness, organization, and intense cleanliness. Their sibling rivalry is a recurring source of comedy, especially in flashbacks to their childhood.
The Geller name is sometimes confused with the surnames of other principal characters. Rachel is Green, Phoebe is Buffay, Joey is Tribbiani, and Chandler is Bing. Monica later marries Chandler, but she is identified as Monica Geller for most of the series.
Friends premiered in 1994 and ran for 10 seasons. Ross and Monica’s shared surname also connects them to storylines involving their parents, childhood home, family traditions, and the fictional “Geller Cup” football rivalry.