Akio Watanabe

Akio Watanabe is a Japanese animator, illustrator, character designer, animation supervisor, anime director, and dōjin artist who is a member of the circle Pokopii (ぽこぴー). His pseudonym is Poyoyon♥Rock (ぽよよん♥ろっく). As an animator, he has been working with Akiyuki Shinbo for a long time before he became a mainstay at Shaft. His representative works include key animation for Popotan and character design for Nurse Witch Komugi, The SoulTaker, and the Monogatari series, for which he also served as chief animation director. His characters are often drawn wearing a translucent green bracelet.