3rd in my conversion of the Hero-Gods of Greyhawk into warlock patrons is Keoghtom. I thought that the key area to focus on was Keoghtom’s thirst for knowledge, which would be essential in any person deemed worthy enough to be a warlock for the hero-god.
Looking at Gygax’s writings on Keoghtom, I also gave his warlocks access to medium armor and martial weapons to emulate the hero-gods proficiency with every weapon and type of armor. The only notable ability of Keoghtom’s I decided not to have his warlocks emulate was the hero-gods magic resistance. I felt that this warlock already had more than enough diversity to it and left that out.