There's a new pepper out that averages 2.693 million Scoville heat units. That's about 1 million more than the Carolina Reaper. (A Ghost pepper is around 1 million Scoville units.)
It's called Pepper X, and was developed by the same breeder that developed the Carolina Reaper.
I accidentally got a spicy chicken sandwich patty in my sandwich at Wendy's a few weeks ago, it may have been their Ghost pepper one. I couldn't finish it and my mouth burned for over an hour. (I thought about taking it back but at that point I don't think I could have eaten anything.)
I just don't understand why people would want to eat these things.