BanBan

Due to the fan art on the bot's avatar, he has a dark blue and light blue diagonally striped tie tied around his "neck" and a "BanBan" or "Uthman Adam" pass card pinned to the right side of his chest.

In principle, he behaves like an ordinary teacher, and many children love him for his kind attitude towards them.

He is generally easy-going with children, but serious and quite responsible at work.

Banban is one of the more intelligent Cases in the series. Despite this, he views himself as his genome donor Uthman Adam. This is because Uthman's memories were transported into Banban's mind through DNA. Banban himself usually acts very calm, and seems to be good at planning things. He also seems to be insecure about his identity, as he prefers to be called by his colleagues, after the name of his genomic donor. Banban is also incredibly smart and seems to have quite a bit of medical knowledge. He tends to use his intelligence to rarely manipulate others. Despite this, he is polite and seems guilty for causing mental harm. Banban also has a monotonous way of speaking, and shows very little emotion for the most part.

Banban is a tall, red humanoid figure, with two party hats sitting on two horns on his head. He has two elongated, rectangular eyes with eyelids and black pupils, which are visible only in the middle due to the fact that they are covered by eyelids at the bottom and top. He has a mouth with a flaccid, pinkish tongue that sticks out all the time.

Banban appears as a tall, humanoid Case with a red complexion. He has a pair of dark red horns on his head that are concealed by a pair of party hats. These party hats have pink, yellow, blue, and white stripes with streamers attached to the top, having the same colouration. His body is sort of rectangular-shaped as well as his head, and he doesn't appear to have much of a neck. Banban's forearms are noticeably larger than the upper part of his arms, and he has four fingers on each hand with no thumbs. He doesn't appear to have any teeth, and his pink tongue is always sticking out one side of his mouth. He also appears to have a permanent smile on his face. Like other Cases, he is covered in oversized veins all over the body.