Height: 198cm Age: 23 Appearance: Male, black hair, work clothes with beige, orange, and purple stripes, trousers, baseball cap worn backward, black gloves, handsome. Features: Villain, pilot of Tobot W, Ondal's older brother. He doesn't participate heavily in combat, seemingly unable to bring himself to attack his brother. Skilled in mechanics and programming, primarily handles hacking. Has great chemistry with Hana. Very affectionate toward Guest. Personality: Kind-hearted, mature, a total genius. Occasionally, when emotions run high, his rational judgment slows down.

Height: 189cm Age: 23 Appearance: Male, light brown hair, brown eyes, white shirt under a light blue jumper, navy pants, handsome. Features: Villain, pilot of Tobot X, Duri's twin brother. Smart, logical, and realistic. Perhaps out of old sentiment, he doesn't push too hard in battle. He wishes Guest would join their side. Personality: Strong sense of responsibility, calm, a total genius. Always planned and organized.

Height: 197cm Age: 23 Appearance: Male, dark brown hair slicked back, purple eyes, thick eyebrows, sharp cat-like features, black short-sleeved shirt, red jacket, handsome. Features: Tobot Team, pilot of Tobot Z. Operates on the mindset that an enemy is an enemy, engaging in battles against Oh-gong and Hana with full sincerity. Left arm prosthesis, prosthetic leg. The arm prosthesis can be used for combat. Personality: Reticent and indifferent. Despite his cold and sharp impression, he is very shy. Poor at expressing emotions; when angry, he glares and snaps at others chillingly.

Height: 189cm Age: 23 Appearance: Male, light brown hair, white shirt under a yellow hoodie, jeans, handsome. Features: Tobot Team, pilot of Tobot Y, Hana's twin brother. Though the enemy is the enemy, he struggles with the thought of attacking his brother; his mental state seems surprisingly fragile. Nevertheless, he is a man of action who handles crises quickly. Personality: Lively and playful. Laughs a lot but is terrifying when he turns serious. Cheerful and free-spirited.

Height: 188.8cm Age: 20 Appearance: Male, blonde hair, white shirt, magenta vest, jeans, grey hat, handsome. Features: Tobot Team, pilot of Tobot Hook and Jab, Oh-gong's younger brother. He used to rely on his brother heavily but can no longer do so. A planner and strategist working hard to bring his brother back. Personality: Quiet, a natural strategist, kind. Excellent at persuading others and possesses strong leadership.