villain

US /ˈvɪl.ən/
UK /ˈvɪl.ən/
"villain" picture
1.

a character in a play, film, or story who is evil and causes problems for the main character

:
The superhero finally defeated the villain.
Every good story needs a compelling villain.
2.

a person who is guilty or responsible for a crime or misdeed

:
The police are still searching for the villain who committed the robbery.
He was portrayed as the villain in the whole scandal.