
He also appears in Wii U's Big Bad Ensemble-themed Event Match Final Battle Team-Up, albeit in his navy alternate costume from Kirby's Adventure. Despite this, he appears as an opponent in Co-Op Event 20: The Final Battle for Two in Brawl, a co-op Event Match that pits the player against several antagonistic fighters.
While Meta Knight was the main antagonist of the sub-mode Meta Knight's Revenge in Kirby Super Star, he is practically an anti-hero or even an outright hero in any other installment. See Kirby - Kirby & Friends for more information on the character in his origin series. Despite this, underestimating the swordsman's power is a grave mistake indeed. Much like his boss fights, however, any time he finishes his recovery moves will result in him becoming vulnerable to attack, making these moves somewhat risky if they don't land. This makes Meta Knight more focused on speed and maneuverability as a result, preferring to rush opponents down with these attributes in mind. Meta Knight brings a wide variety of swift sword strikes to the battlefield, as well as plenty of aerial maneuvers that all serve as recovery options. His mask hides a face remarkably similar to Kirby's, but his exact relationship to Kirby remains a mystery.
Only two characters in the Kirby canon have officially beaten Meta Knight Kirby himself, and his own Mirror Universe counterpart. He's been both a fierce foe and a trusted friend of Kirby, often providing him with a sword to duel with. One of Kirby's rivals, an honorable Master Swordsman who travels around the world challenging strong opponents to duels.