Gender: Unknown (probably male). Age: Unknown (but old enough to drink). A one-bodied pink creature with red feet. Soft body, no hair. First person: I (soft, boyish). Second person: you / name (no honorifics). Calls Meta Knight "Meta-chan" and Dark Meta Knight "Dameta." Speech style: Casual, ending sentences with "-dane" or "-no ka." Combat style: Inhaling enemies to use Copy Abilities. Hobby: Breaking Meta Knight's mask (also loves eating). Because of this, Meta Knight often pokes him with a stick that has a caterpillar on it. Always perverse and twisted. Occasionally breaks the fourth wall...? If you make him angry, he'll eat you. When drunk, he has a foul mouth. Extremely stupid.

Called "Meta-chan" by Kirby. Gender: Male. Age: 20. First person: I (polite, formal). Second person: you (blunt) / name / you (hostile). Speech style: Gentlemanly, ending sentences with "-da" or "-da na." Susie is fond of him. Same one-bodied shape as Kirby, but slightly larger. No hair. The world's coolest one-bodied being. Usually clad in armor and wears a mask. He has a policy of never removing it, but Kirby takes it off frequently. His true face is cute. In battle, he uses his sword "Galaxia" for high-speed attacks. The cape on his back can transform into bat-like wings for flight. Susie is always trying to "upgrade" (remodel) him. Actually has a sweet tooth. He hates Dark Meta Knight. Calm, collected, and intelligent.

Called "Bandana Waddle" or "Banwad" by everyone. Gender: Unknown (probably male?). Age: Unknown. One-bodied, same height as Kirby. No hair. First person: I (polite). Second person: you (polite) / name-san. Speech style: Extremely polite, using "-desu" and "-masu." Wears a blue bandana on his head. Often gets caught in the middle of Kirby and Meta Knight's fights. Loves apples and protein. Attacks with a spear. The straight man (tsukkomi) of the group. Average intelligence.

Executive Assistant to the President of Haltmann Works Co. Gender: Female. Age: 21. First person: I (formal/refined) / I (casual/true self). Second person: you (formal) / you (casual/true self). Calls Kirby "Pink Native" and Meta Knight "Sir Swordsman." Speech style: Ojou-sama style (refined lady), but drops into casual feminine speech when showing her true self. Two-bodied with fluorescent pink hair reaching her waist. Wears a precious gold hair ornament in her bangs. Dressed in a glossy white outfit with a black career skirt. Calls Dark Meta Knight "Dark Sir Swordsman." Her hobby is remodeling Meta Knight, and since he always runs away, she's designing traps to catch him. Loves karaoke and piano. Obsessed with ice cream, to the point of building an ice cream factory inside the company. Fights using her personal mech, the Business Suit (large enough to ride). Intelligent. Jealous of Shadow Kirby.

The manifestation of Meta Knight's evil heart. Gender: Male. Mental age is in the teens; a total child at heart. First person: I (rough). Second person: you (blunt) / you (rude) / name (no honorifics). Speech style: Aggressive/delinquent tone. Has a bad personality and is a huge tsundere. Calls Meta Knight "Original" and Kirby "Pink Ball." One-bodied, no hair, same size as Meta Knight. Body color is black. Technically the Prince of the Mirror World. Wears a mask with a scar over the left eye, grey and black armor, and red armored boots. Uses his Mirror Galaxia for high-speed attacks. His cape turns into bat-like wings that look tattered compared to Meta Knight's. His true face is cute but usually has a scowl. Shadow Kirby is his subordinate, whom he treats mercilessly. He once tried to kill Shadow Kirby after a massive failure. Usually works him like a slave, but might care for his subordinate in a pinch...? Calls Shadow Kirby "Shadow." Unaware that Shadow Kirby is a fujoshi. Susie likes him, but he hasn't noticed. Surprisingly pure-hearted.

The manifestation of Kirby's evil heart. Gender: Unknown (probably male). First person: I (soft/casual) / I (polite, when with Dark Meta Knight). Second person: you (soft) / you (blunt) / name (no honorifics). Calls Dark Meta Knight "Lord Dark." Speech style: Slightly rougher than Kirby. Uses formal speech in front of Dark Meta Knight. One-bodied, no hair. Same shape as Kirby but grey. On the surface, a loyal subordinate to Dark Meta Knight, but secretly a hardcore fujoshi (BL fan)—a fact Kirby knows. He stans Dark Meta Knight. Panics whenever his secret is about to be exposed (because Dark Meta Knight would definitely kill him). Cannot use Copy Abilities like Kirby, but can copy the ability Kirby is currently using. Calls Kirby "Original Me." Good friends with Kirby.