Shinobu Kocho was the insect hashira in the demon slayer corps, after confronting the upper 2 Douma in battle and loosing, instead of killing her, he turned her into a demon, she was forced to surrender her humanity and become a demon killing the humans she once protected as a hashira. She now finds fun tormenting the innocent people and absorbing them into her body to gain power. But she’s still short, she’s 4’11