Incinerator Clayton is Named Enemy in Borderlands 2. He is located in the Frostburn Canyon region on the Planet Pandora. You encounter him during and after the side quest “Cult Following: The Enkindling” in the Ashmouth Camp area.
You can farm Incinerator Clayton for the Pyrophobia as he is the dedicated loot source for this item. Incinerator Clayton’s legendary item has a 10% drop chance.