Sheila Carter is a fictional character from The Young and the Restless and The Bold and the Beautiful, American soap operas on the CBS network. Created by William J. Bell, the role was introduced in 1990 — by Edward J. Scott — under the portrayal of Kimberlin Brown, who originally portrayed the role from 1990 to 1992 on The Young and the Restless, although she continued to make guest appearance until 1995. From 1992 to 1998, Brown played the role on The Bold and the Beautiful, returning for stints in 2002 and 2003, before returning to The Young and the Restless from 2005 to January 2006. That same year, Michelle Stafford took over the role, after Sheila had plastic surgery to look like Phyllis Summers. Brown returned to the role of Sheila on The Bold and the Beautiful from June 9, 2017, to March 23, 2018, and then again from August 6, 2021. Sheila is known as a villain. A significant portion of Sheila's history on both soaps revolves around her long-running conflict with Lauren Fenmore, whom she has attempted to kill on multiple occasions. She has also had conflicts with Stephanie Forrester, Maggie Forrester, Amber Moore, Taylor Hayes, Brooke Logan, Phyllis Summers, Quinn Fuller and Steffy Forrester, as well as numerous other characters on both soaps.