|[List of appearances]|
Matthew has short dark brown hair. He has a light brown head and his eyes are brown in colour. Above his eyes, he has curved black eyebrows. Like all Mini-doll figures he has a nose. He is smiling with his white teeth showing. He has a lime shirt with a dark green collar with part of his skin showing at the top. He has short light green sleeves, the rest of his arms are light brown, and he also has light brown hands. He wears long dark blue jeans with cream shoes.
He competes in horse competitions and horse shows with Stephanie, his friend. He also owns a horse named Ruby.
- Robert's legs, torso, and head are reused from Matthew.
- Like Peter, Matthew and Andrew, Robert reuses an existing hairpiece; in this case, it is the same as the one used by Commissioner Gordon.