What fairy tale characters start with the letter U?

The only fairy tale character who's name begins with the letter "U" is The Ugly Duckling. However, there are the "ugly stepsisters" from the story of Cinderella. Although collectively referred to as "the ugly stepsisters" or "the ugly sisters" in different stories the characters actually have names. For example in the Disney animated film, the characters are named Anastasia and Drizella Tremaine.