Who was Claudius in halmet?

In Shakespeare's play "Hamlet," Claudius is the King of Denmark and the play's antagonist. He is the brother of the late King Hamlet and has married Queen Gertrude, Hamlet's mother, shortly after the king's death. Claudius is portrayed as a manipulative and ambitious character, having murdered his brother to seize the throne. His actions and guilt ultimately drive the play's central conflict and contribute to Hamlet's quest for revenge.