Monsters that roam the night are a myth, right? Demons only exist in Harry Potter books, don't they?
So explain this terrifying footage of a mysterious creature terrorising a neighbourhood.
The giant animal has so far butchered two dogs - a German Shepherd and a Pitbull.
Now neighbours in the town of Santa Fe, Argentina, have been left spooked.
A bizarre photo snapped by a local shows a creature with four, tall and thin legs.