Who is the Antagonist in The Devil and Tom Walker?

The antagonist in the short story "The Devil and Tom Walker" by Washington Irving is the Devil himself. The Devil is a powerful and malevolent force who represents temptation, greed, and evil. He appears to Tom Walker as a mysterious and sinister stranger who offers him a deal: a bag of gold in exchange for his soul. The Devil is cunning and manipulative, and he preys on Tom's weaknesses and desires to entice him into making a pact. Throughout the story, the Devil serves as the main obstacle to Tom's redemption and spiritual salvation.