Gruber is a minor character who has appeared in multiple episodes of Bluey. Gruber helps his father sell German hot dog sausages at the markets. He has a father but has an unknown mother or friends as of yet

Gruber is a German Shepherd with brown, black, light brown, and brownish-pink fur. He has brown legs, arms, bottom tail, torso, and head, light brown hands, feet, chest, and eyebrows, black ears, muzzle, back stripes, and top tail and brownish-pink inner ears. He also has a black nose