Maureen "Mo" Ann Collins (born July 7, 1965) is an American actress and comedian. Collins is perhaps best known for being a member of the ensemble on FOX's sketch comedy series MADtv. She became well known for several characters during her tenure on the show. She was a cast member from the 4th season (1998) through the 9th season (2004); she only appeared in fourteen episodes during season 9 due to contractual reasons. She returned to MADtv in the 10th season for one episode, and again when she made an appearance on the 300th Episode doing her popular character Lorraine Swanson.
Collins joined the cast of MADtv at the beginning of season 4 (Fall 1998) and stayed until the end of season 9 (Spring 2004), despite appearing in only 14 episodes during the ninth season. Her popular stint on the show lead her to come back to guest star in 2005 during Season 10 and in 2007 during the 300th episode on season 13. She was also known for trying to stifle laughter during some of her skits much like Harvey Korman on The Carol Burnett Show.
Her most featured and arguably most popular characters were Doreen, the screechy-voiced mother of man-boy Stuart; the odd, annoying, confused middle-aged