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, and 61st Primetime Emmy Awards for her portrayal of the character. Her name is similar to Wilhelmina Cooper, a successful model who eventually established her own modeling company in the 1960s. 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.