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Katsuji Yamaguchi (山口勝司) is a Japanese CGI artist and animator. Yamaguchi has worked with Digital Zero, Digital Works Entertainment and N-Design on several video games. These include Suikoden Tactics (model design), Haunting Ground (motion design), Castlevania: The Dracula X Chronicles (character animation), Shin Megami Tensei: Devil Summoner 2: Raidou Kuzunoha vs. King Abaddon (Event Mode) and Metroid: Other M (CGI art).