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. Although Karen was originally conceived as a supporting character role for Will & Grace, her escapades became a more prominent part of the show based on viewer reaction. She was a multi-milionairess thanks to her marriage to Stan Walker (an unseen character) until it was discovered that all of his money was loaned after their divorce in the series finale. At the end of the series she regains this status, however.