DC Super Hero Girls Wikia
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Nicole Julianne Sullivan (born April 21, 1970) is an American actress, voice artist and comedian. She is the voice actress of Supergirl in Super Best Friends Forever and DC Super Hero Girls.

Sullivan is best known for her six seasons on the sketch comedy series MADtv. She also played the role of Holly Shumpert for five seasons on the CBS sitcom The King of Queens.

She's also voicing several cartoon character roles. She is voicing Mira Nova from Buzz Lightyear of Star Command, Joan of Arc in Clone High. Shego in Kim Possible & Marlene from Penguins of Madagacar TV series.

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