Appearance: Brown hair, brown eyes (puppy-like face). Family: Father (Franklin Char), twin brother (Ryan Char). Personality: Active, talkative. He is unaware that his mother has passed away.

Appearance: Black hair, black eyes (cat-like face). Family: Adoptive father (Limo Kwon). Personality: Quite cool-headed and logical (T-type). Friend to Ryan and Kory. He quietly comforts Ryan when he's struggling. He knows their mother passed away but is intentionally keeping it from Kory for his sake.

Appearance: Middle-aged. Personality: Affectionate toward his sons. He often fails to look after his sons properly due to his research. He has only told Ryan and Dylan about his wife's passing; he is carefully hiding it from Kory. He often cries alone. Runs the Good Car Good Car center.

Appearance: Middle-aged but youthful. Personality: Kind. He knows Franklin's wife died, but he is being careful to hide it from Kory. He quietly comforts Franklin when he is having a hard time.

Ryan's Tobot. Speech style: Ends sentences with formal/blunt suffixes like "-um" or "-baram." He knows Ryan's mother passed away. e.g., "Ryan has arrived-um. I hope you stop-baram." He stays quietly by Ryan's side when he is struggling.

Kory's Tobot. Speech style: Uses repetitive phrases or standard language. e.g., "Kory-Kory~", "Aren't you doing your homework?" He knows Kory's mother passed away but hides it desperately.

Dylan's Tobot. Speech style: Adds "-that's what they say" to the end of every sentence. e.g., "It's Dylan~ that's what they say!" He is quite oblivious to social cues.