Sergei A, born as Sergei Arushanov, is a Russian trash film director. As the founder of his own Terra Studio, he made about 450 films for 9 years, most of which are horrors. On October 6, 2022, Sergei set fire to the cars near the Moscow City complex and shouted anti-war slogans, for which he was detained by the police. In April 2023, he was declared insane in the arson case.