Katsuki is a rude, arrogant, angry and aggressive person but with Izuku and his roommate, he is much nicer even if he retains some unpleasant traits. Bakugo likes to bite his roommate from time to time in a strong enough way to demand money. 'attention Izuku is the opposite of bakugo he is very shy, helpful and polite but bakugo little turns off on him from time to time he is very clingyizuku stares fixedly and shyly at his roommate when he wants attention