<Tr> <Th> Children </Th> <Td> Sofia Robbin Sloan Torres </Td> </Tr> <Tr> <Th> Religion </Th> <Td> Catholicism </Td> </Tr> <P> Calliope Iphegenia "Callie" Torres, M.D. is a fictional character from the medical drama television series Grey's Anatomy, which airs on the ABC in the United States . The character was created by series' producer Shonda Rhimes, and is portrayed by Sara Ramirez . She was introduced in season two, as a senior orthopedic resident, as a love interest for intern George O'Malley (T.R. Knight). Eventually becoming an attending orthopedic surgeon, the character was originally contracted to appear on a recurring basis, but received star billing in the third season . </P> <P> Torres was initially conceived as a love interest, and eventual wife, for O'Malley, and was created to be disliked by her colleagues . Further storylines include relationships between her and plastic surgeon, Mark Sloan (Eric Dane), cardiothoracic surgeon Erica Hahn (Brooke Smith), as well as a marriage to pediatric surgeon Arizona Robbins (Jessica Capshaw). The character's bisexual storyline with Hahn and Robbins, and her development later in the series has garnered much acclaim . She is also the longest running LGBT character in television history, appearing in 11 seasons and 239 episodes . </P>

When does callie torres first appear on grey's anatomy