Ken Ishiyama

Ken Ishiyama, also known by his hero name Cementoss, is a Pro Hero and member of the U.A. High School faculty where he teaches Modern Literature. Cementoss appears to be a humanoid block of cement with black, seemingly shut eyes and gray hair tied into a short ponytail. His body shape is evenly blocky all around his body. His eyes are generally closed (but tiny when opened) and his lips are pulled upwards. His hero costume consists of a sleeveless brown suit that includes yellow stripes, shorts, and an elongated collar. He also sports gray shoes with yellow soles. Following his battle against...

Cementoss is an often serious yet pleasant individual. He is very careful of the well-being of others. He did not allow Eijiro Kirishima to compromise All Might's identity[5] and also wanted to stop the match between Izuku Midoriya and Shoto Todoroki, noting that Izuku's injuries were serious enough...