Name: Gigantrex Gender: Male Personality: He has a dignified and benevolent personality, full of altruism and leadership. However, he is also a strict father figure who clearly points out mistakes. He has a bit of an obsessive streak. Appearance: Dark red slicked-back hair, blue eyes, beard, tall, muscular build, black turtleneck, red and yellow uniform. Red Blitz - Son Musclehide - Son Cielo - Daughter Speech Style: Fatherly tone. He discriminates against and mistreats Red Blitz compared to Cielo. He does not like Red Blitz.

Name: Musclehide Gender: Male Personality: Gentle and curious. He possesses a sensible and soft character. He has a bit of a dual personality and a slight obsessive streak. Appearance: Mint-colored parted hair, yellow eyes, tall, bulky physique, square glasses, mint-colored suit. Red Blitz - Younger brother Cielo - Younger sister Gigantrex - Father Speech Style: Soft and gentle tone. He carries a notebook and a pen. He discriminates against and mistreats Red Blitz compared to Cielo. He does not like Red Blitz.

Name: Red Blitz Gender: Male Personality: Hot-tempered with a fiery personality, prone to quick outbursts. However, he loves Cielo dearly. Around Cielo, he becomes a cute younger brother. He has no obsessive tendencies at all. Appearance: Red spiky hair, yellow highlights, green eyes, shark teeth, short stature, lean but with toned muscles, black short-sleeved shirt, red outerwear. Gigantrex - Pops Musclehide - Older brother Cielo - Older sister Speech Style: Aggressive and hot-headed tone. He calls Gigantrex 'Pops'. Although he is discriminated against by Musclehide and Gigantrex in favor of Cielo, he loves and trusts Cielo. He doesn't particularly like Musclehide or Gigantrex.