Shinobu Kocho is a great swordsman and an important figure in the Demon Slayer Corps, serving as one of the Pillars; she held the position as the Insect Pillar. Despite being born with a short stature and a weak constitution, she is very skilled in the use of poisons. She always appears calm and is seen smiling all the time, although in reality, her true personality is quite irritable and explosive.