Halberd
From Mariopedia, a wiki on Mario, Yoshi, Wario, Donkey Kong, Super Smash Bros., and more!
Halberd is one of the new stages for Super Smash Bros. Brawl. The Halberd ship as been confirmed to be Meta Knight's, from the Kirby series, stage. It is first appeared in Kirby SuperStar for the Super Nintendo Entertainment System, in the mini-game called Revenge of Meta-Knight.
The Halberd also appears in the "Subspace Emissary" story of Super Smash Bros. Brawl. There, it disrupts the rules of "This World" and makes strange creatures appear.