In what sitcom did Karen Walker was a fictional character of?
Karen Walker (Will &amp; Grace): Karen Walker ("née" Delaney; previously St. Croix, Popeil, and Finster) is a fictional character on the American television sitcom "Will & Grace", portrayed by Megan Mullally. Megan Mullally:  She is best known for her role as Karen Walker on the NBC sitcom "Will & Grace" (1998–2006, 2017-), for which she received 7 consecutive Primetime Emmy Award nominations for Outstanding Supporting Actress in a Comedy Series, winning twice in 2000 and 2006.
Will & Grace