Nekoma's Brain (by Nekoma) Pudding Head (by Kuroo and Yamamoto) Kodzuken (Online Handle) Kenken (video game username, Haikyū-bu!! only)I'm not good with people, and I don't want to interact with them. And yet, I'm very concerned about what others think about me.Kenma Kozume (Japanese: 孤爪こづめ 研磨けんま, Kozume Kenma) was previously a second-year student from Nekoma High. He was the Volleyball Team's setter and was referred to as the "heart" and "brain" of the team by his teammates.