Nicole Sullivan (born April 21, 1970) is an American actress and comedian. She voiced Mrs. Cobblepot and Benjamin on Harley Quinn.
In other corners of the DC Universe she has also voiced Supergirl for Super Best Friends Forever shorts and the DC Super Hero Girls reboot series.
Sullivan is best known for her six seasons (1995–2001) on the sketch comedy series MADtv and the role of Holly Shumpert on the CBS sitcom The King of Queens (2001–2005, 2007). She has played a recurring character, Jill Tracy, on Scrubs and voiced the heroic Mira Nova in Disney/Pixar's Buzz Lightyear of Star Command and the villainous Shego in Disney's Kim Possible. She had recurring voice roles on Family Guy and voiced Franny Robinson in Disney's Meet the Robinsons. From 2008 to 2009, Sullivan starred in and was the lead of her own Lifetime television series Rita Rocks.