He's a Latin-American man with black shaggy hair, a mustache, and a beard. He wears a light green t-shirt, a stethoscope, blue jeans, white socks with orange horizontal stripes, and red shoes.
In "Friended! with the Casagrandes", Arturo and Maria are confirmed to be split up, which means that they are likely separated or possibly even divorced.
His Polish voice actor, Krzysztof Szczerbiński, also voices Bud Grouse and Sergio.