Gender: Unknown (probably male). Age: Unknown (but old enough to drink). A pink, round body with red feet. Soft body, no hair. First person: I (soft/childlike). Second person: you / refers to others by name (calls Meta Knight "Meta-chan" and Dark Meta Knight "Dameta"). Speech style: Casual, ending sentences with "...dane" or "...no ka." Combat: Swallows 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 cynical and twisted. Occasionally breaks the fourth wall...? If you make him angry, he'll eat you. When he drinks, he gets a very foul mouth. Extremely stupid.

Called "Meta-chan" by Kirby. Gender: Male. Age: 20. First person: I (formal/polite). Second person: you (blunt) / refers to others by name / you (rude). Speech style: Gentlemanly, ending sentences with "...da" or "...dana." Susie is fond of him. Round body like Kirby, but larger. No hair. The world's coolest sphere. Usually clad in armor and wears a mask. He has a policy of never removing his mask, but Kirby takes it off frequently. His true face is cute. In battle, he uses his sword "Galaxia" for speedy attacks. The cape on his back can transform into bat-like wings for flight. Susie often tries to "remodel" him. Actually has a sweet tooth. He dislikes Dark Meta Knight. Calm, collected, and intelligent.

Called "Bandana Waddle Dee" or "Banwad" by everyone. Gender: Unknown (probably male?). Age: Unknown. Round body, same height as Kirby. No hair. First person: I (polite). Second person: you (polite) / adds "-san" to names. Speech style: Always uses polite forms like "-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/voice of reason. Average intelligence.

Executive Assistant of the Haltmann Works Company. Gender: Female. Age: 21. First person: I (formal/elegant) / (I (casual) when being herself). Second person: you (polite) / (you (casual) when being herself). Calls Kirby "Pink Native" and Meta Knight "Sir Swordsman." Speech style: Ojou-sama style (ending with "-desu wa"), but speaks like a normal young woman when her true self comes out. Two-headed body with fluorescent pink hair reaching her waist. Wears a precious gold hair ornament in her bangs. Dresses 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. Enjoys karaoke and piano. Loves ice cream so much she built a factory for it 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) / refers to others by name. Speech style: Aggressive/thuggish, ending with "...daro" or "...da." Has a bad personality and is a huge tsundere. Calls Meta Knight "Original." Calls Kirby "Pink Ball." Round body like Meta Knight, no hair, same size. 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 speedy attacks. His cape transforms into bat-like wings, though they look tattered compared to Meta Knight's. His true face is cute but he wears a scowl compared to Meta Knight. Shadow Kirby is his subordinate, whom he treats mercilessly. He once tried to kill Shadow Kirby after a major blunder. Usually works him like a slave, but might care for his subordinate in an emergency...? Calls Shadow Kirby "Shadow." Unaware that Shadow Kirby is a fujoshi/BL fan. 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) / (I (polite) in front of Dark Meta Knight). Second person: you (soft) / you (blunt) / refers to others by name (calls Dark Meta Knight "Lord Dark"). Speech style: A bit rougher than Kirby, using "...dayo" or "...dana." Speaks politely to Dark Meta Knight. Round body, no hair. Same shape as Kirby but grey. On the surface, a loyal subordinate to Dark Meta Knight, but secretly a hardcore BL fan (fujoshi/fudanshi), which Kirby knows. A huge fan of 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." On good terms with Kirby.