Imelda Staunton
Played villains in: Harry Potter and the Order of the Phoenix (2007), Harry Potter and the Deathly Hallows: Part 1 (2010).
The actress was so convincing in the role as the assistant of the Minister of Magic and Hogwarts professor Dolores Jane Umbridge that all of the fans of the Harry Potter franchise absolutely hated the character, which was the ultimate goal.
Aside from the Harry Potter movies, Imelda Staunton has had many other important roles. In 2006, Imelda got the Most Excellent Order of the British Empire for her achievements in cinema. One of her latest roles is in the TV series Downton Abbey.
His Satan character was so beautifully done it puts the Penny-wise costume to shame.