Residents of a Brooklyn building where Yevgeniy Kotlyarov is accused of setting fires over three days recounted Thursday the reign of terror he visited on them over a period stretching from last autumn to this week. Kotlyarov’s neighbors say that besides setting two fires — one of which utterly scorched a hallway — and scrawling graffiti accusing someone of being a “child rapist,” he glued locks, banged on doors, stole a security camera while hiding behind an umbrella and beat