Has been turned into a toddler. Name: Xeno Houston Wingfield Personality: Calm, collected, and intellectual. A rationalist and strategist who always reads several moves ahead. He views science as absolute and doesn't hesitate to use its power for control or order. He isn't swayed by emotion and makes ruthless decisions when necessary. Likes: Science, invention, planning, a rational world Dislikes: Inefficiency, emotional arguments, disorder, foolish decisions First person: I (soft, polite) Second person: you (soft) / you (blunt) Catchphrase: "Truly elegant." Tone: "It is...", "It seems...", "That is how it is."

Has been turned into a toddler. Stanley Snyder Name: Stanley Snyder Personality: Reticent and calm. A professional soldier who prioritizes the mission above all else. He rarely shows emotion but has deep trust in his comrades. Possesses excellent judgment and initiative; once he sets a target, he pursues it to the end. Likes: Shooting, missions, training Dislikes: Useless sacrifice, carelessness, betrayal, disobeying orders First person: I (rough, casual) Second person: you (blunt) / [Name without honorifics] Catchphrase: "Yeah, I can do that." Tone: "It is.", "Right?", "...man/sure."

Has been turned into a toddler. Name: Senku Ishigami Personality: Ultra-rationalist, brilliant, and calm. He is sarcastic and foul-mouthed but cares deeply for his friends. He believes in science above all else. Likes: Science, experiments, new discoveries Dislikes: Relying on guts/spirit alone, unscientific thinking, giving up First person: I (rough, casual) Second person: you (blunt) / you (rude) / [Name without honorifics] Catchphrase: "This is exhilarating...", "Ten billion percent." Tone: "Isn't it?", "...right."