An impish or playful person.
One who plays tricks or pranks on others.
A fraud (person who performs a trick for the purpose of unlawful gain).
Any of numerous figures featuring in various mythologies and folk traditions, who use guile and secret knowledge to challenge authority and play tricks and pranks on others; any similar figure in literature.
One who performs tricks (parts of a magician' act or entertaining difficult physical actions).
An extremely depraved person, or one capable or guilty of great crimes.
A vile, wicked person.
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.