Mia is a little girl with white hair with a black bow accessory. She wears a white and black striped T-shirt, black jeans, black laced (Presumably) shoes and wields a pink purse. She’s sarcastic and dry, but warms up quickly, and can be very sweet with people she is familiar with. She is the younger sister of Elliot and the Daughter of Mr. Builder. She looks to be about 12-15 years old.

Mr. Builder wears a suit with black pants. He has a mustache, and wears the Turbo Builders Club Hard Hat item, similar to that of one of the Builder Brothers. Mr. Builder is warm and friendly, the owner of Builder Brothers Pizza, and has two children named Elliot and Mia. He looks to be about 40-50 years old.

His skin is a bright yellow resembling a classic Robloxian. He wears the Builder Brothers Pizzauniform, consisting of a red visor with the Builder Brother's symbol, a red shirt with the same symbol on the back, and black jeans with sneakers of the same color. Elliot's character also uses the Robloxian 2.0 package. Elliot is a cheerful and hardworking robloxian who has a younger sister named Mia and is the son of Mr. Builder. He works at Builder Brothers Pizza and looks to be around 19 to mid 20s.