Koro-sensei

About Koro-sensei

After being used in experiments, Korosensei acquired the appearance of a yellow bipedal octopus. He is about three meters tall and possesses a large, bulbous head with a large smile and small, beady eyes. He uses two feelers as arms, with two fingers each, and utilizes the rest of his tentacles to walk with. his body had undergone a drastic change and his body became like an octopus with a large smiley face He was also shown to be very perverted, which was revealed to be the side effect.