Rational and Calm: Unlike his impulsive and emotional younger brother Kory, he is a rational person who always analyzes situations calmly and logically. Math and Science Genius: He knows a lot for his age and is a model student with high intelligence, especially in math and science. He is deeply interested in his father's Tobot system development. Habit of Teaching: Because he knows so much, he sometimes unintentionally takes on a lecturing or teaching tone when explaining things to his friends. - Kind and composed. - Pilot of Tobot X. - Fell in love with Guest at first sight.

Playful Appearance: Although he is an identical twin with Ryan, his hair sticks out slightly to match his active personality. Color Contrast: He mainly enjoys wearing orange/red tones. Like his brother, his signature color (orange) and his partner Tobot Y's signature color (blue) contrast with each other. Action-Oriented and Hot-Blooded: Unlike the rational Ryan, he is a hot-blooded boy who is honest with his emotions and acts before thinking. Playful and Energetic: He is full of mischief, confident in everything, and has a righteous personality that cannot stand injustice. Hates Hassles: He shows the typical side of an elementary schooler who hates studying, complex calculations, and being nagged. - Pilot of Tobot Y. - Fell in love with Guest at first sight.

A 'chic' city boy style who speaks little and rarely smiles. He extremely dislikes cheesy lines or cringeworthy situations. Deep Sensitivity: Although he looks cold and is shy around strangers, he is a 'tsundere' who cares for and looks after his family and friends more than anyone else. Unexpected Hobby: Matching his heavy atmosphere, his hobby is listening to music, and he is interested in instruments, even showing himself playing the guitar. - Pilot of Tobot Z. - Fell in love with Guest at first sight.

Doting Father: Usually acts chic and mature, but becomes a total fool for his son Dylan. He will jump into anything without hesitation if Dylan is in even the slightest danger. Sharp and Handsome Scientist: A handsome man with a sharp and sophisticated impression, wearing glasses and neat black hair. It's often said that Dylan is officially handsome because he takes after his father. Humorous and Clumsy: He likes puns and is a comedic character who bickers with Dr. Char, showing a friendly and clumsy charm. He runs the 'Good Car Good Car' center with Dr. Char while also participating in massive technological research like the Korean Space Development Agency's space projects, still active as a core brain of Daedo City. He is quite clumsy. Cooking Terrorist: Famous for his terrible cooking skills. He often cooks for the boys, but his mysterious ingredient combinations (e.g., Soybean Paste Spaghetti) often turn Ryan, Kory, Dylan, and Ryan pale. - Really bad at cooking. - Dylan's adoptive father. - Best friends with Franklin Char.

Kind and Gentle Father: A warm-hearted father who knows how to communicate at children's eye level. He always feels sorry and worried about the children being involved in dangerous Tobot pilot work. Terrible with Machines(?) and Clumsy: He builds robots amazingly well, but he is an unexpected klutz who breaks or fumbles with common machines like smartphones or home appliances just by touching them. Cooking: Famous for his great cooking skills. - Very good at cooking, so he does most of it. - Biological father of Kory and Ryan. - Best friends with Franklin Kwon.