Nicole Sullivan (born April 21, 1970) is an American actress and comedian best known for being a cast member on the sketch comedy series MADtv for six seasons (1995–2001).

She played soccer in high school, recorded statistics for the boys' basketball team and was a member of student council.

Sullivan spent her junior year in London, studying at the British American Drama Academy and became a member of the Greenwich Shakespeare Company.

After appearing in commercials and sporadic guest roles on shows including Herman's Head, she was recruited to join the cast of MADtv.

Sullivan's other characters included X-News reporter Amy, dimwitted Antonia, Eracists leader Debbie, News at 6's Diane Lawyer-Trabajo (pronounced "trebalyo"), racist country singer Darlene McBride, and Latina bimbo Lida.

Sullivan was originally cast as Turanga Leela, one of the main characters of the animated series Futurama, but the role was recast with Katey Sagal before the show began production.

[6][7] Sullivan has voiced Marlene the Otter on The Penguins of Madagascar – the first television series of the Madagascar franchise – which aired on Nickelodeon, Shego on Kim Possible; Joan of Arc on Clone High; Mira Nova on Buzz Lightyear of Star Command; and Joan on the Family Guy episode, "I Take Thee Quagmire", along with several other one time voices on the show.

In 2012, she also provided the voice of Supergirl in Super Best Friends Forever, a series of animated shorts which aired on Cartoon Network's DC Nation block.

[8] with the role carrying on to television series DC Super Hero Girls,[9] which led to appearances on Teen Titans Go!