Shimun Vrochek (Russian: ????? ??????), real name Dmitry S.
Ovchinnikov (Russian: ??????? ??????????) (born 1 November 1976) is a Russian science fiction author.
His work Piter (a novel from the Universe of Metro 2033 book series) has been cited as a case study of the boom in prosumer level participation in Russian fan fiction, using transmedia in ways that echo traditional Soviet methods, yet is completely commodified.