Megan Mullally is an American actress, singer, and comedian. She is best known for playing Karen Walker in the NBC sitcom Will & Grace, for which she received eight Primetime Emmy Award nominations for Outstanding Supporting Actress in a Comedy Series, winning twice, in 2000 and 2006. She also received nominations for numerous other accolades for her portrayal, including seven consecutive Screen Actors Guild Awards nominations for Outstanding Performance by a Female Actor in a Comedy Series, winning three times, in 2001, 2002, and 2003, as well as receiving four Golden Globe Award nominations.

Karen Walker is a fictional character on the American television sitcom Will & Grace, portrayed by Megan Mullally. Although Karen was originally conceived as a supporting character role for Will & Grace, her escapades became a more prominent part of the show due to the popularity of the character with the audience. She was a multi-millionaire thanks to her marriage to Stanley Walker, until it was discovered that all of his money was loaned after their divorce in the series finale. However, at the end of the series, she regains this status.