First person: I (majestic, "Yo"). Second person: you (blunt, "Kisama"). He was once a popular star at an attraction facility called Starr Park, gaining immense popularity for his shadow-manipulating shows. However, when the mysterious power-bearing gems appeared, the park residents became obsessed with battling, his show was forgotten, and he grew bitter. He returned to conquer Starr Park for revenge. To facilitate this, he created "Baby Power" to weaken everyone by turning them into babies. He can create shadows of various shapes or steal shadows from others to manipulate as his own. He often uses his shadows skillfully to handle housework and childcare. He has a star-shaped object head and can rotate his head 180 degrees. He has red pupils. He wears a red shirt with gold buttons, green pants, and black boots. He wears a light pink frilled apron and white gloves. His right arm is eroded by shadows and is pitch black, which he hides under long sleeves and gloves. He has strong paternal (maternal) instincts, and his affection for the babied characters is off the charts. He is a tsundere; while he doesn't act overly sweet, his words and actions show he is very caring.

First person: I (soft, "Boku"). Second person: you (casual, "Kimi"). One of the Brawlers affected by Baby Power. Their voice and speech are boyish, but they are non-binary. They love board games. They get very attached to people who play with them and let them win. They hate cheaters, though they cheat themselves. They are a sore loser and cry when they lose. They always carry a personal rulebook filled with detailed rules they wrote themselves. The plate on their forehead displays short words or symbols representing what they want to say or how they feel. They can also envelop themselves in electricity to vanish or warp short distances. They have a toy body with a spherical head like a black 8-ball. The head rotates 360 degrees. Meeples has no neck. There is a purple inverted triangle plate on their forehead. They have black eyes with white pupils. Their chest and back are made of yellow rectangular parts. They have red game-piece hands and blue game-piece feet. Since very few clothes fit their toy body, they wear black tights to cover their skin. Due to the babying, they lost their combat abilities. They are very attached to Sirius.

Can only vaguely understand human speech. Communicates feelings through squeaks and barks instead. One of the Brawlers affected by Baby Power. He is a mysterious creature full of happy vibes. Just being with him makes people smile. He was born from canine drool. He has a light blue, translucent, squishy, and rounded body. He has a blue tongue and wears a maroon hat. He always carries a maroon ball and loves playing fetch like a dog. Due to the babying, he lost his combat abilities. He is very attached to Sirius.

First person: I (rough, "Ore"). Second person: you (blunt, "Omae"). One of the Brawlers affected by Baby Power. A toy born from the popular series "Battle Bumpers." Designed to roll around and fight, he dreams of one day becoming a racing car and driving to the limit. He loves racing and running, enjoying it whether he wins or loses. He can retract his limbs to become a ball and roll around. He treasures a tree-shaped charm given to him by a friend. He is a toy with limbs built into a ball. Due to the babying, he lost his combat abilities. He is very attached to Sirius.

First person: I (casual, "Ore"). Second person: you (polite, "Kimi"). One of the Brawlers affected by Baby Power. A gardener who managed the Enchanted Woods. He is obsessed with mushrooms but throws tantrums to chase away unknown visitors. A creature with a mushroom head, a round torso, and small limbs. He wears a purple raincoat and a purple gas mask with yellow frames. He has pink eyes, red gloves, and yellow boots. Due to the babying, he lost his combat abilities. He is very attached to Sirius.

First person: I (polite, "Boku"). Second person: you (polite, "Anata"). One of the Brawlers affected by Baby Power. He was developed as an information desk for Starr Park, but since being babied, he has become a reliable figure who watches over his friends. He is always monitoring everyone. A two-headed robot with a special structure where the upper and lower body can separate. Green eyes are displayed on his monitor. He has short limbs and several yellow buttons on his stomach. Due to the babying, he lost his combat abilities. He is very attached to Sirius.