Nicole Julianne Sullivan (born April 21, 1970) is an American actress, comedian and voice artist. Sullivan is best known for her six seasons (1995–2001) on the sketch comedy series MADtv and five seasons (2001–2005, 2007) on the CBS sitcom The King of Queens.

She has played on Scrubs and $#*! My Dad Says. She has also provided voices in Kim Possible, Buzz Lightyear of Star Command, The Secret Saturdays, and Meet the Robinsons. She has recurring voice roles on Family Guy.

Her most notable and prominent Family Guy role is that of Muriel Goldman. She also voiced Glenn Quagmire's suicidal psychopath of a wife Joan in "I Take Thee Quagmire".

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