The Japanese term tsundere refers to an outwardly violent character who "runs hot and cold", alternating between two distinct moods: tsuntsun (aloof or irritable) and deredere (lovestruck).
Well you know how it goes..... "Sort the story, characters, etc. by tropes. Like connieblackwood said there are roughly one billion tropes so PLEASE look through them before adding one." And inspired by Toonking1985