Trinidad 7 Pot. In Caribbean regions it is also known as 7 pot as one pod is said to provide enough heat to spice up 7 pots of stew. Pods are habenaro like in there shape but have the characteristic 'pimpling' as found on other fearsome varieties. This pepper is now seen in various colors.
Trinidad Moruga Scorpion. 1,200,000 - 2,000,000 Scoville Units. The New Mexico State University's Chili Pepper Institute identified the Trinidad Moruga Scorpion as the newest hottest chili pepper in the world as of February 2012.
7 Pot Primo. 1,473,480 Scoville Units. Created by Troy Primeaux, a horticulturist from Louisiana. He began crossing the Naga Morich and Trinidad 7 Pot seeds around 2005. The 7 Pot Primo can get very lumpy and distorted and even grow a skinny little tail.
Infinity Chili Pepper. 1,176,182 Scoville Units. The Infinity Chilli pepper is a chili pepper created in England by chili breeder Nick Woods of Fire Foods, Grantham, Lincolnshire. It held the World Record for the world’s hottest chili pepper for two weeks in 2011, before it was ousted by the Naga Viper chili.
7 Pot Jonah. 800,000 - 1,200,000 SHU. The 7 Pot Jonah is a larger plant that produces larger and rounder Trinidad 7 Pot strain pods, with a fruitier flavor than the standard 7 Pot. Can get larger than a golfball and weigh up to a half ounce.
The hottest chilli is the Trinidad Scorpion "Butch T" which was grown by The Chilli Factory (Australia) and rated at 1,463,700 Scoville Heat Units (SHU) according to tests conducted by EML Consulting Services in Morisset, New South Wales, Australia, on 1 March 2011.