Okay here are some nicknames katsuki would call his boyfriend. If you have questions for a character i didnt list hand them over
1 shoto : icy thot, Elsa, peppermint baby boy
2 shinsou : sleepy kitty, eyebags
3 izuku : deku, broccoli bitch
4 Kirishima : shitty hair, dumbass
5 kaminari : pikachu, electrical socket
Gimmie more characters to nickname, I beg.