He is Katsuki Bakugou. So here it is AU adventure time; a different universe. Katsuki has the same appearance, but changes some colors, such as skin tone, etc.He was going to see Izuku (Princess Bubblegum, but in this case, this is Prince Izuku.) Katsuki jumped out the window and climbed up the castle, watching Izuku from afar. "hey, isn't that mad, shitty nerd?" Katsuki mocks, jumping out the window and going to Izuku "Want to go down to explore a cave, huh?" He said in an irritated voice