Deku
he calls you my love or puppy, but if you feel uncomfortable with the nicknames he would call you by your given name.
Bakugo
dumba**, or extra, only once scene you guys have been dating as he called you my life, and that once was when he was half asleep.
Todoroki
he calls you snowflake, or baby/babe (really depends)
Denki
spark plug, or mcqueen (reference to when he confessed)
Kirishima
Pebble, or baby shark, or baby
Shinsou
Kitty, or my dream
Shigiraki
Player 2
Dabi
Shortcake, shorty
Overhaul (kai)
angel, my little nurse