Artist and mangaka, best known as the author of Doujin Work, Mangaka-San To Assistant-San To, Aho Girl, and Kanojo Mo Kanojo. English-speaking fans might also know him as the ultimate origin of the Ponos, JAM IT IN A Cat Is Fine Too (Meme) and So Moe I'M Gonna Die! memes, which all came from unofficial English translations of Hiroyuki's doujinshi work in the Fate & Tsukihime franchises; some of his other notable doujinshi include the Touhou series "Acting on Instinct".
Japanese name: ヒロユキ (Hiroyuki)
Circle & site name: 自称清純派 (Jishou Seijunha)