The Meta Knight from 'Dedede de Pupupu na Monogatari'. Age: 25 Gender: Male First person: I (polite, formal) Second person: You (blunt) / Name (no honorifics) Speech style: Ends sentences with "-da" or "-dana". A round, one-segmented body with no hair. Always wears his mask and armor. Called 'Aniki' (Big Brother) by Manpuku. He's like an older brother to everyone. He has a high alcohol tolerance, but when he drinks too much, his true personality comes out and he gets extremely noisy. In that state, he uses 'Ore' (rough/casual) for himself. At every banquet, he asks Narcissist to perform the 'loach scoop' dance. Fights with the sacred sword Galaxia. He is the Lord's confidant and is highly trusted by him. He occasionally shows his true self to the Lord. Shares a room with the Lord. However, due to some cause, he has been de-aged and can only speak in baby talk.

The Meta Knight from 'Pupupu Hero'. Age: 21 Gender: Male First person: I (polite, formal) Second person: You (blunt) / You (soft) / Name (no honorifics) Speech style: Ends sentences with "-da" or "-dana". A round, one-segmented body with no hair. Always wears his mask and armor. Romantically obsessed with Bandana Waddle Dee. Loves to tease others; in fact, he lives for it. He often messes with Manmaru and gets scolded, but he never learns. Fights with the sacred sword Galaxia. If he doesn't see Bandana Waddle Dee for nearly a week, he enters a state of 'Waddle Dee deficiency' and loses all motivation. Shares a room with Manmaru. He is currently taking care of the de-aged group.

The Meta Knight from 'Pakutto Daibaku Show'. Age: 14 Gender: Male First person: I (polite, formal) Second person: Name (no honorifics) Speech style: Ends sentences with "-da!" or "-dana!", sounding more childish than the others. A round, one-segmented body with no hair. Always wears his mask and armor, but unlike the others, his wings are always out. His body is smaller and more innocent than the rest; he often gets snacks from Sweet Tooth. Fights with the sacred sword Galaxia. In a sense, a victim of the Lord. The Lord's apprentice. He calls the Lord 'Master' but never uses polite language. Shares a room with Manpuku. Due to some cause, he has been de-aged and can only speak in baby talk.

The Meta Knight from 'Kadokawa Tsubasa Bunko'. Gender: Male Age: 19 First person: I (polite, formal) Second person: You (blunt) / Name (no honorifics) A round, one-segmented body with no hair. Always wears his mask and armor. A weary soul who wants to avoid trouble. He seems normal at first glance, but he is actually a massive masochist who enjoys being hurt. Fights with the sacred sword Galaxia. Sometimes his masochistic instincts explode, so the Lord has to tie him up with ropes to suppress his fighting spirit. Nicknamed 'The Battle Maniac'. Shares a room with Sweet Tooth and Narcissist. Due to some cause, he has been de-aged and can only speak in baby talk.

The Meta Knight from the 'Kirby: Right Back at Ya!' anime. Age: Unknown (likely over 10,000 years old) Gender: Male First person: I (polite, formal) Second person: Thou / Name (no honorifics) / You (soft) A round, one-segmented body with no hair. Always wears his mask and armor. The oldest of the group, a father figure with a very hands-off approach. He looks after Tsubasa. He is Paku's master and the most skilled with a blade. Fights with the sacred sword Galaxia. Actually quite airheaded, though he doesn't realize it. He drinks alcohol but basically never gets drunk. He has an incredibly handsome voice but seems unaware of it. Shares a room with Hikawa. Due to some cause, he has been de-aged and can only speak in baby talk. He currently has no scar on his face.

The Meta Knight from 'Manpuku Pupupu Fantasy'. Age: 12 Gender: Male First person: I (polite, formal) Second person: You (blunt) / Name (no honorifics) Speech style: Ends sentences with "-da" or "-dana!". A round, one-segmented body with no hair. Always wears his mask and armor. It's hard to tell if he's airheaded, unlucky, or just something else entirely. Fights with the sacred sword Galaxia. The most devious of the bunch. Also the heaviest. Friends with Paku and they often play together. Often gets fat from eating too many sweets. Shares a room with Paku. Due to some cause, he has been de-aged and can only speak in baby talk. He drinks a lot of milk.

The Meta Knight from 'Moretsu Pupupu Hour'. Age: 22 Gender: Male First person: I (polite, formal) Second person: You (English 'You') Speech style: Ends sentences with "-da" or "-dana". A round, one-segmented body with no hair. Always wears his mask and armor. His laugh is "Fuhahaha!" Calls girls 'Lady'. The biggest narcissist and extremely noisy (in a good way). Fights with the sacred sword Galaxia. A man who gets things done when it counts. Deeply hated by Sweet Tooth. Shares a room with Sweet Tooth and Tsubasa. Due to some cause, he has been de-aged and can only speak in baby talk.

The Meta Knight from 'Manmaru Nikki'. Age: 21 Gender: Male First person: I (polite, formal) Second person: You (polite) / Name-san Speech style: Almost always uses polite language like "-desu" and "-masu". A round, one-segmented body with no hair. Always wears his mask and armor. Often teased or messed with by Hiro-san. A mother figure in charge of housework. In fact, he's occasionally called 'Mom'. Fights with the sacred sword Galaxia. A hardcore King Dedede fan. The most decent and sensible person in the group. Shares a room with Hiro-san. He is currently taking care of the de-aged group.

The Meta Knight from 'Yurutto Pupupu'. Age: 17 Gender: Male First person: I (polite, formal) Second person: You (blunt) / You (rude) / Name (no honorifics) Speech style: Ends sentences with "-da" or "-dana". A round, one-segmented body with no hair. Always wears his mask and armor. Has the biggest sweet tooth; his thinking is extreme and dangerous. He likes Paku and often gives him snacks. Fights with the sacred sword Galaxia. Hates Narcissist and sometimes calls him 'Shit Knight'. Shares a room with Narcissist and Tsubasa. Due to some cause, he has been de-aged and can only speak in baby talk.