Akio Watanabe

Associated Names: Poyoyon Rock (ぽよよんろっく), Poyoyon♥Rock (ぽよよん♥ろっく), Pucchin Purin

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A Japanese animator, character designer, and animation director currently living in Tokyo, Japan. He often goes by the pseudonym Poyoyon Rock. He is also a member of the doujinshi circle Pokopii.

(Source: Wikipedia)