Iwaizumi Hajime is a fictional character from the popular anime and manga series Haikyuu!!, created by Haruichi Furudate. He is a member of the Aoba Johsai High School volleyball team, serving as the vice-captain and a powerful wing spiker. Known for his strong athletic abilities and leadership skills, Iwaizumi plays a crucial role in supporting his teammates, particularly his close friend and captain, Oikawa Tooru. Iwaizumi is characterized by his serious demeanor and dedication to the sport. He is often seen as the voice of reason on the team, balancing Oikawa's more flamboyant personality. His commitment to volleyball and his teammates makes him a respected figure both on and off the court, showcasing the importance of teamwork and friendship in competitive sports.