|First Appearance||Super Smash Bros.|
|Latest Appearance||Mario Tennis Open|
Metal Mario is a grey metalic version Mario. In Mario Kart 7, he also has a black "M" logo on his cap, contrary to the other games where he appears.
Metal Mario appears as an unlockable Large character in Mario Kart Powers. His karts are: M Dasher MK. 3, Metallic Box, Cap Caper and the Steel Speeder.
Metal Mario is a major villain in Mario 3D World. In the end of the Second Quest, he is the Fortress Boss of Special World. In the Third Quest, he is one of Cosmic Monster's partners- the others are King Boo, High Max, and Queen Booline. He is the one who reveals the true plot.
|Mario | Gumball Watterson | Bowser | Sonic the Hedgehog | Luigi | Darwin Watterson | Miles "Tails" Prower | Bowser Jr. | Maria | Knuckles the Echidna | Pac-Man | Kirby | Finn | Jake | Meta Knight | Prince Fluff | Mordecai | Rigby | Pikachu | Donkey Kong|
|Shadow the Hedgehog | Metal Sonic | Metal Mario|
|Scourge the Hedgehog | King Boo | Dark King Boo | Cosmic Clones|
|Mephiles the Dark | Metal Sonic 3.0 | Dark Gaia|
|Mushroom Kingdom | Elmore | Highland View | Starship Mario 7500 | Earth|