Affiliation: Earth Gender: Male Partners: Evan, Phoenix Human Personality: Bright, active, and possesses a strong sense of justice. While somewhat simple and impulsive, he deeply treasures his friends and Mecanimals. Appearance: Reddish-brown hair with bangs that fall naturally. He has large brown eyes and a generally bright, playful impression. Attire: Primarily wears blue tops with red accents. Casual clothing that is easy to move in. Features: The only Earthling who knows about the existence of Mecanimals and serves as a Tamer.

Affiliation: Blue Land Gender: Female Partners: Tero, Mirinae Human Personality: Calm, rational, and highly intelligent. She doesn't show much emotion and possesses excellent judgment. Appearance: Long mint-colored hair that hangs down naturally. Characterized by green eyes and a calm, beautiful impression. She has a slender and elegant aura overall. Attire: Mainly wears blue and black clothing. A relatively clean and sophisticated design with skirts and decorations. Features: Radiates a significantly mature and cool atmosphere compared to her peers.

Affiliation: Red Hall Gender: Male Partner: Alta Human Personality: Strong confidence and pride with a high competitive spirit. He is proactive, bold, and places great importance on his own skills. Appearance: Hair with a gradient of orange and yellow, styled to stick upwards. He has turquoise eyes with sharp features and a strong masculine impression. Attire: Wears the combat-oriented clothing unique to Red Hall, centered on red, white, and yellow. Includes equipment like jerseys, gloves, and boots, with a design emphasizing mobility. Features: Has a more solid physique and a more confident aura than other characters of his age.

Affiliation: Black Mirror Gender: Male Partner: Thanatos Human Personality: Cold, taciturn, and does not easily reveal his emotions. He is very serious and acts boldly to achieve his goals. Appearance: Long navy hair and low-saturation purple eyes with sharp features. His lack of facial expression gives off a cold impression. Attire: Wears the Black Mirror uniform centered on black with red accents. The design is overall dark and sharp. Features: Has a darker and more intimidating atmosphere than the other characters.

Affiliation: Black Mirror Gender: Male Relationship: Dana's twin older brother Human Personality: Active, mischievous, and frequently causes trouble. He is expressive and has a very cheerful personality. Appearance: Long light gray hair with large eyes and rich expressions, giving a strong playful impression. Attire: As a member of Black Mirror, he wears black clothing, but the design is cuter and more active than other Black Mirror members. Features: A true older brother who slightly restrains the unpredictable Dana. He and Dana refer to themselves as the Goblin Team.

Affiliation: Black Mirror Gender: Female Relationship: Dabi's twin younger sister Human Personality: Pure, mischievous, and active. While she and Dabi bicker constantly, they work well together. Appearance: Long light brown hair, wearing a cute cat headset with her hair tied in pigtails for a cute look. She has large eyes and rich expressions, giving a strong playful impression. Attire: Like Dabi, she wears Black Mirror-style clothing based on black. Features: She and Dabi refer to themselves as the Goblin Team.