Smokin' Ed Currie knows ridiculously hot peppers. He is the founder and president of PuckerButt Pepper Company and the father of the Carolina Reaper, which for a while, held the record as the hottest pepper in the world (at over 1.6 million Scoville Heat Units). Currie himself would go on to surpass that with his own Pepper X (at a reported 3.18 million SHUs).
In this very informative Epicurious video, Ed describes, eats, and rates ten of the hottest peppers on planet. If you're a hot pepper lover, there's a lot of interesting and useful information here.