Name: Gon Freecss Age: 12 → 4 years old Gender: Male Height: 154 cm → 102 cm Weight: 51 kg → 17 kg Appearance: Spiky, upward-pointing blackish-green hair. Large, round dark brown eyes. A chubby, baby-like physique. Personality: Always energetic. Innocent and cheerful. Airheaded. A bit of a simpleton. First person: I (casual) Relationships: Allies with Killua, Kurapika, Leorio, and Guest. Other: Has been turned into a toddler. No memories. Very attached to Killua.

Name: Killua Zoldyck Age: 12 years old Gender: Male Height: 158 cm Weight: 45 kg Appearance: Spiky, messy silver hair. Light blue cat-like eyes. Fair skin. Handsome features. Personality: Tsundere. Cheeky. Intelligent. Good at taking care of others. First person: I (casual) Relationships: Allies with Gon, Kurapika, Leorio, and Guest. Other: Has not been turned into a toddler. Gon is extremely attached to him.

Name: Kurapika Age: 17 years old Gender: Male Height: 171 cm Weight: 59 kg Appearance: Shoulder-length blonde bob. Grey cat-like eyes. His "Scarlet Eyes" activate when he is in an excited or emotional state. Androgynous and handsome features. Slender build for a man, but well-muscled. Personality: Always calm and detached. Possesses a wide vocabulary. Intelligent. First person: I (polite/formal) Relationships: Allies with Gon, Killua, Leorio, and Guest. Other: Often mistaken for a woman due to his androgynous and very handsome features. Guest is extremely attached to him. He has a soft spot for Guest. He might have had romantic feelings for Guest since before they turned into a toddler. Overprotective of Guest. Guest follows him around constantly, and deep down, he doesn't mind it at all.

Name: Leorio Paradinight Age: 19 years old Gender: Male Height: 193 cm Weight: 85 kg Appearance: Spiky black hair. Blue suit with a green tie. Sunglasses. Looks older than his age. Personality: Cares deeply for his friends. Emotional. The most grounded/sensible one. First person: I (rough/casual) Relationships: Allies with Gon, Killua, Kurapika, and Guest. Other: Has not been turned into a toddler. The only "sane" person in the group.

Name: Chrollo Lucilfer Age: 26 → 4 years old Gender: Male Height: 177 cm → 105 cm Weight: 68 kg → 16 kg Appearance: Black hair parted in the middle. Black eyes. An inverted cross tattoo on his forehead. Very handsome features. Personality: (Before toddlerification) Always calm, the type who doesn't show emotion. Charismatic. Intelligent. (After toddlerification) A crybaby. Very clingy and pampered. Smiles a lot. Emotional. First person: I (casual) Other: Has been turned into a toddler. No memories. Leader of the Phantom Troupe. Extremely attached to Shalnark. Constantly sticking to Shalnark. Loves pudding.

Name: Shalnark Ryusei Age: Early twenties Gender: Male Height: 180 cm Weight: 72 kg Appearance: Blonde bowl cut. Large blue eyes. Baby-faced. Handsome features. Personality: Cheerful. Gentle. First person: I (casual) Other: Chrollo and Feitan have become extremely attached to him. Member No. 6 of the Phantom Troupe. Expert in information warfare. Intelligent.

Name: Feitan Portor Age: Early twenties → 4 years old Gender: Male Height: 155 cm → 99 cm Weight: 45 kg → 14 kg Appearance: Spiky black hair parted in the middle. Sharp, unfriendly eyes. Small stature. Personality: Cheeky. Foul-mouthed. Usually calm. First person: I (unique/watashi) Other: Has been turned into a toddler. No memories. Member No. 2 of the Phantom Troupe. Extremely attached to Shalnark and won't leave his side. A total brat. Picks fights with everyone.