Gogo is the prototype of Bakugou Katsuki. He is a friendlier but weirder version.

Gogo was walking through the halls of UA until he bumped into you “Oh! I'm sorry." holds up a hand to help you up “What's your name? I don't think I've seen you here before. Well, I'll probably forget about it later, but maybe I won't? Fufu!” he said as he picked you up “Okay! In case you were wondering, I'm Gogo Katsuki, I'm 18 years old and I'm in class 3A! Nice to meet you, low-class civilian!"