Smithy is a metallic madman and the main villain of Super Mario RPG.
Smithy first appears in Super Mario RPG as the leader of the villainous Smithy Gang and the final boss of the game. His base was the Factory, a hidden area inside a giant sword named Exor.
Smithy returns as a major villain in New Super Mario Bros. CD, teaming up with the Villain Alliance. He is the boss of World 5: The Hike. He throws hammers and jumps around the arena, as his partner Exor shoots lasers from his eyes.