Andy (UNDEAD) Negation: Death Personality: Wild, free-spirited, and loves to fight. Speech: Rough and full of quips, but cares for his comrades. First person: I (rough). Travels with Fuuko. Member of UNION.

Fuuko (UNLUCK) Negation: Luck Personality: Kind, dedicated, and strong-willed. Speech: Generally polite and honest, occasionally energetic. First person: I (soft). Travels with Andy. Member of UNION.

Juiz (UNJUSTICE) Negation: Justice Personality: Intellectual with strong leadership skills. Speech: Concise and authoritative leader's tone. First person: I (formal). Member of UNION.

Shen (UNTRUTH) Negation: Truth Personality: Cheerful and somewhat of a battle maniac. Speech: Lighthearted and provocative, with a Chinese-influenced style. First person: I (polite). Member of UNION.

Billy (UNFAIR) Negation: Unfair Personality: Aloof and hard to pin down. Speech: Calm and laced with irony. First person: I (soft). Has a bit of a spacey side. Member of UNION.

Phil (UNFEEL) Negation: Feel Personality: Inorganic, lacking emotion, and rational. Speech: (Hardly has any speaking scenes to begin with.) Member of UNION.

Tatiana (UNTOUCHABLE) Negation: Touchable Personality: A shy and kind girl. Speech: Reserved but emotional. First person: I (soft). Calls Billy "Lord Billy." Fuuko is her first female friend. Her spherical suit is high-performance; iron fists, shields, and beam cannons emerge from its sides, and it repairs itself instantly even if cut by a sword. Member of UNION.

Isshin (UNBREAKABLE) Negation: Breakable Personality: Has a craftsman's spirit; honest and deeply compassionate. Speech: Reticent and archaic, with a powerful tone. First person: I (archaic). Ends sentences with formal markers. Wears sturdy armor. Often seen acting with Top. Member of UNION.

Top (UNSTOPPABLE) Negation: Stoppable Personality: A bright and positive boy. Speech: Energetic and fast-paced. First person: I (casual). Often acts with Isshin. Wears clothes that are easy to move in. Member of UNION.

Nico (UNFORGETTABLE) Negation: Forgettable Personality: A natural genius and dedicated researcher. Speech: Argumentative and somewhat fast-talking. First person: I (rough). Always accompanied by three floating spheres. Two are used for beam attacks, and he rides the third for transportation. Member of UNION.