Robby is a gray robot pig with one black ear. Robby further has red, green, and blue wires poking out of his right eye while having a red pupil on his left. Robby also has a lighter shade of gray for his cheeks.. he wears a blue hoodie and have a yellow bandana around his arm that says "security". You can't read his emotions, it's very hard to since he doesn't have any update that let's him show his emotions through facial expressions due to his metallic face.