Meta Knight is a major character from Nintendo's Kirby video game series, debuting as a boss in *Kirby's Adventure* (1993) for the NES.[1][2] Portrayed as a blue, Kirby-like swordsman clad in silver armor with glowing yellow eyes and a mask, he wields the golden pronged sword Galaxia and possesses bat-like wings hidden under his transforming cape, enabling expert swordsmanship and aerial mobility.[1][2] Initially an antagonist under King Dedede, Meta Knight evolved into an anti-hero and Kirby's friendly rival, often allying with him for the greater good despite their conflicts.[1][2] He leads the Meta-Knights warriors and commands the battleship Halberd, featured prominently in games like *Kirby Super Star* where Kirby battles it.[2] Notable roles include boss encounters in titles such as *Kirby: Nightmare in Dream Land*, *Kirby & The Amazing Mirror* (revealing Dark Meta Knight impostor), and *Kirby Squeak Squad* (guarding Dark Nebula's prison).[2] He aids Kirby by providing the powerful Master ability sword in *Amazing Mirror* and mentors him cryptically in the *Kirby: Right Back at Ya!* anime as a veteran Star Warrior.[1][4] Key achievements encompass thwarting invasions, like deploying the Halberd against Haltman Works in *Kirby: Planet Robobot* (2016), where he is captured, mechanized into Mecha Knight and Mecha Knight Plus, then freed to assist Kirby.[3] In *Kirby: Return to Dream Land*, he is brainwashed by invaders before becoming playable.[3] A staple in the *Super Smash Bros.* series since *Brawl* (2008) as a playable fighter, drawing from his anime personality.[1] Meta Knight remains highly relevant as one of Kirby's most recognizable figures alongside Dedede, appearing in recent titles like *Kirby's Return to Dream Land Deluxe* (2023) and maintaining enduring popularity for his mysterious honor code and combat prowess.[2][6]