Tsukishima Kei is a fictional character from the popular anime and manga series Haikyuu!!, created by Haruichi Furudate. He is a member of the Karasuno High School volleyball team, playing as a middle blocker. Known for his tall stature and glasses, Tsukishima is often seen as aloof and sarcastic, preferring to rely on his intelligence rather than raw athleticism. Despite his initial reluctance to fully engage in the sport, Tsukishima undergoes significant character development throughout the series. He learns to appreciate teamwork and the emotional aspects of volleyball, ultimately becoming a more dedicated player and a vital asset to his team.