Combo Cannon (known as Main Cannon #2 in Kirby Super Star Ultra) is the main gun of Battleship Halberd, Meta Knight's personal airship. It is a cannon located on the topside of the Halberd, usually near the front (although in Kirby: Squeak Squad, it is on the second-highest level of the ship). While Combo Cannon is its most common and consistent moniker, this weapon has gone by several names: