Hajime Isayama (諫山 創 Isayama Hajime, born August 29, 1986) is a Japanese manga artist. His first and currently ongoing series, Attack on Titan, is experiencing success with 52.5 million copies in circulation as of July 2015. He has mentioned Tsutomu Nihei, Ryōji Minagawa, Kentaro Miura, Hideki Arai, and Tōru Mitsumine as artists he respects, and stated that the manga that had the biggest influence on him was ARMS. More: en.wikipedia.org.