Chuck Knipp (born 1961) is an American and Canadian (dual citizenship) drag queen and comedian best known for his alter egos, the characters 'Shirley Q. Liquor' and 'Betty Butterfield.' A number of videos of Knipp's Butterfield were featured on several different Youtube accounts until 2007 when most disappeared. In mid-2009 a number of videos were reuploaded to the site, many of them new. Many of them feature Butterfield relating her struggle to find a religion and/or church where she feels at home.

Knipp is a citizen of both the United States and Canada, active in the ACLU and Libertarian Party and was nominated as their candidate for the U.S. House of Representatives in 2000. (Texas, District 2).

Entertainer RuPaul has long been a fan and supporter of Knipp. "Critics who think that Shirley Q. Liquor is offensive are idiots. Listen, I've been discriminated against by everybody in the world: gay people, black people, whatever. I know discrimination, I know racism, I know it very intimately. She's not racist, and if she were, she wouldn't be on my new CD." In her blog, RuPaul adds: "I am very sensitive to issues of racism, sexism and discrimination. I am a gay black man, who started my career as a professional transvestite in Georgia, twenty years ago."