In 1997, a pot-bellied pig named Lulu saved her owner who was having a heart attack. Hearing her owner in distress, Lulu forced her way out of the yard and played dead on the road. Lulu successfully stopped a car and guided them to her owner, who survived. – WTF Fun Facts
Source: Lulu – The Pig That ‘Played Dead’ To Save Her Dying Owner. – Vault50