This was a GM event. Lord Picklaw usually resides in Runnyeye, a much abandonded zone next to Misty Thicket. He drops uber loot for Old-World Zones (Garbage Now). You should check him out sometime, fun to kill!
No way does this guy exist, another anon guy just added it in somewhere, I've spent MANY MANY hours killing gaurds / gobs / nobles ect in this zone. No picture? No loot existing? No one ever heard of him? Non-existant.