They say that you shouldn’t judge a book by its cover, but these ugly villains prove that sometimes evil seeps into your physical appearance.

RELATED: 5 Of The Most Expensive Cars In The World

These ugly villains are pure evil and disgusting combined.

Lord Voldemort

Ugly Villains

Tom Riddle might have been a charming and handsome boy, but his evil alter-ego, Lord Voldemort turns into something rather grotesque – physically and psychologically.

Vogons

Ugly Villains

These ugly villains are described by the Hitchhiker’s Guide to the Galaxy:

Here is what to do if you want to get a lift from a Vogon: forget it. They are one of the most unpleasant races in the Galaxy. Not actually evil, but bad-tempered, bureaucratic, officious and callous.

Leather Face

Ugly Villains

With a title like Texas Chainsaw Massacre, ugly villains are to be expected. Leather Face is one of the most famous of the ugly villains that’ll give you nightmares.

Jabba the Hut

Ugly Villains

Ugly villains aren’t always scary, but Jabba the Hut might make you vomit in your mouth a little. This galactic gangster doesn’t care about his looks, and it shows. Check out some of the other villains in the Star Wars saga.

The Penguin

Ugly Villains

Portrayed by Danny da Vito, The Penguin in Tim Burton’s Batman Returns is one of the ugly villains the world really needs saving from. As his name suggests, The Penguin is disfigured and evil after being orphaned in a sewer.

Freddy Krueger

Ugly Villains

Freddy Krueger is one of the ugly villains in entertainment that will literally haunt your dreams. This creep comes from the Nightmare on Elm Street franchise and is sure to leave a long, horrible impression on your memory with his burned face.

Alien Queen

Ugly Villains

Some ugly villains have created a persona around their ugliness, and others – like the Alien Queen from the Aliens franchise – don’t even know how ugly they are.

Pearl

Ugly Villains

Not all vampires sparkle and make teenage girls weak at the knees. Pearl is one of the ugly villains to appear in the 1998 movie Blade starring Wesley Snipes. Pearl will probably be burned into your memory for a while.

Anastasia and Drizella Tremaine

Known as the “ugly sisters”, Anastasia and Drizella are some of the meaner of the ugly villains on this list, treating poor Cinderella like a servant.

Pazuzu

Pazuzu, the demon that possesses a child called Regan Macneil in the 1973 movie, The Exorcist, has a face not even a mother can love.

Drop us a comment below and let us know which ugly villains have haunted your thoughts and your nightmares.

RELATED: 5 Weird Superheroes With Strange Powers