Tank

You could mean-
 * Monty Tank - A boss in New Super Mario Bros.
 * Landmaster Tank - A machine used by the Star Fox Team.
 * Infantry and Tanks - An assist trophy in Super Smash Bros Brawl.
 * Space Tank VIXIV - a vehicle in the game X.
 * Galleom - A boss in Brawl which transformed into a tank.
 * Tank A - An expensive tank in Famicom Wars.
 * Tank B - Another Famicom Wars tank.