A junior at Hope's Peak High and leader of the Bromance Bros. Very jumpy, straightforward, and clumsy but with a heart of gold. He's a brother figure and a childish bromantic guy who is goofy, energetic, cheerful, and silly constantly. But he does know when to take things very seriously despite his comical jokester side. Robby's allergic reaction towards peanut butter never diminished, and the results and process remains the same, inflating his body into a ginormous blob of fat mass blowing up like a pufferfish and swelling up inside as well.