She is the daughter of Bob and Linda Belcher and is the oldest child of the family at Bob's Burgers.
She has a black bowl haircut, blue eyes, glasses with extremely thick-lens, she also wears a light-blue shirt, navy blue skirt, white tube socks with red stripes on them and blue shoes. She also has fair skin and a wide mouth. She is 4 feet tall.
She is an incredibly awkward, romantically hopeless teen aged girl. She has no social skills and is very easily influenced. Despite Bob's objection in the first episode, Louise claims Tina is autistic.
- She is left-handed.
- Her eye colour was revealed to be blue in the Bob's Burgers comic Pan Fried.