Metal Mario (character)

Metal Mario is an entity that appears in many of the Smash Bros. games. It is similar in nature to Mario when he wears a metal cap, but Metal Mario is his own person and not a form of Mario.

Super Smash Bros.
Metal Mario takes damage, but some damage, not a normal amount of damage

Super Smash Bros. Melee
Metal Mario returns, but this time with Metal Luigi. Some Metal Boxes are apparent.

Mario Golf 64
Metal Mario is an unlockable playable character in Mario Golf 64. He boasts the strongest drives from his set of clubs with 285 yards and is the last character to be unlocked.

Dr. Mario 64
He is also the final boss of Wario's storyline in Dr. Mario 64. In this game, Metal Mario can be unlocked as a playable character by beating the entire game without losing once.