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Kutsuna Ken'ichi (沓名健一) is a Japanese animator and director. Mentored under Satoru Utsunomiya, he is one of the three original "webgen" group of animators along with Shingo Yamashita and Ryo-timo; He is the first to implement the style (fully digital) and is acknowledged within the industry as one of the most knowledgeable in the field of Japanese animation. He is nicknamed "the sakuga critic" by his contemporaries.