which series does it belong to?
"Grey's Anatomy"
Izzie Stevens
Isobel Katherine Stevens, M.D. is a fictional character from the medical drama television series "Grey's Anatomy"
grey's anatomy when do izzie and alex get together UNANSWERABLE is the former person's name fictional? Yes
wiki:2720569
Izzie Stevens [SEP] Introduction
Isobel Katherine Stevens, M.D. is a fictional character from the medical drama television series "Grey's Anatomy", which airs on the American Broadcasting Company (ABC) in the United States. The character was created by series producer Shonda Rhimes, and was portrayed by actress Katherine Heigl from 2005 to 2010. Introduced as a surgical intern at the fictional Seattle Grace Hospital, Izzie worked her way up to resident level, while her relationships with her colleagues Meredith Grey (Ellen Pompeo), Cristina Yang (Sandra Oh), Alex Karev (Justin Chambers) and George O'Malley (T. R. Knight) formed a focal point of the series. Heigl garnered high critical acclaim for her performance as Izzie and received numerous awards and nominations for her role, winning the Outstanding Supporting Actress in a Drama Series at the 59th Primetime Emmy Awards in 2007.