Coffin on wheels is part of Russian folklore. https://monster.fandom.com/wiki/Coffin_on_Wheels >The Coffin on Wheels is a supernatural entity and urban legend from Russia, the entity has parallels with many other ghost stories concerning the vengeful dead and is considered among the more chilling urban legends due to its macabre visuals and its use of dread to portray the entity as an unstoppable force of revenge (though in some versions of the story the Coffin on Wheels is actively malevolent and hunts down completely innocent victims).