Wilhelmina Vivian Slater (Born Wanda Slater) is a fictional character in the American dramedy series Ugly Betty. She is played by Vanessa Williams, who received a supporting actress award at the 2007 and 2008 NAACP Image Awards, a Best TV Villain award at the 2007 Teen Choice Awards and a supporting actress nomination at the 59th, 60th Primetime Emmy Awards, and 61st Primetime Emmy Awards for her portrayal of the character. In June 2010, Entertainment Weekly named her one of the 100 Greatest Characters of the Last 20 Years. In July 2012, She was on the #25 list of TV's Greatest Villains of All Time