A person who may be considered or who considers herself (or by extension himself) much more important than others, has high expectations of others and who is extremely demanding and fussy when it comes to personal privileges.
Any female celebrity, usually a well known singer or actress.
A vile, wicked person.
An extremely depraved person, or one capable or guilty of great crimes.
Any opponent player, especially a hypothetical player for example and didactic purposes. Compare: hero (“the current player”).
In fiction, a character who has the role of being bad, especially antagonizing the hero.
A deliberate scoundrel.