The mysterious rain creatures in The Last House have left viewers questioning what exactly they are and where they came from. Director Louis Leterrier has now provided an explanation, revealing that the creatures are ancient inhabitants of Earth’s oceans that existed long before humanity. Louis Leterrier explains The Last House’s rain monster creaturesLouis Leterrier has explained the origins of the creatures that appear in The Last House, revealing that they are ancient beings that lived in Earth’s oceans long before humans existed. As humans continued “boiling the oceans,” the creatures surfaced from the depths, bringing a new threat to the people trapped inside the house. The Last House was directed by Louis Leterrier and written by Matthew Robinson.