Kei Tsukishima 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 often appears aloof and sarcastic, which sometimes makes him seem unapproachable to his teammates. Despite his initial lack of enthusiasm for volleyball, Tsukishima shows significant growth throughout the series. He learns to appreciate the sport and develops his skills, becoming a crucial player for Karasuno. His character arc highlights themes of perseverance and the importance of teamwork in achieving success.