Ghost peppers are one of the hottest peppers in the world testing in at 1 million scoville heat units and can reach up to 1.5 million shu. They have many names like bhut jolokia, ghost chilis, naga jolokia and u morok. Originated from a region in india they are a natural hybrid created by nature and was once the world record holder for the hottest pepper in the world in 2007.