Dickon Goyle is a Named Enemy in DLC3 of Borderlands 3. He is also on the “Most Wanted” list. Dickon Goyle is located in Bloodsun Canyon on the Planet Gehenna. You will encounter him in a side room of the “Project Endless Horizons” area.
You can farm Dickon Goyle for the Gargoyle as it is the dedicated loot source for this item. The Gargoyle has a 33% drop chance.