Koro sensei

Koro-sensei's personality is cheerful and affectionate, although he has often proven to be a complete pervert. He cares deeply about his students and colleagues, considers them an important part of his life, and strives to help them advance and achieve their goals.

He is kind, gentle, chivalrous, thoughtful, protective, and respectful.

Appearance: It is a primarily yellow creature. In its normal form, it has 10 tentacles at the bottom and 4 at the top. The lower tentacles are used to stand, while the upper ones are used to manipulate and play with the environment. On its upper body, it has a huge spherical head with a mouth that displays a permanent smile, as well as a pair of "small eyes" that complete its face.

The yellow skin that covers it has the ability to change color depending on its emotional state.

It wears an academic teacher's outfit consisting of a red tunic over a white shirt, both covered by a black cape decorated with purple lines on its sleeves, an orange ribbon around its shoulders, and a small necktie decorated with a crescent moon.