Brock Savage wrote:
I would add brain in a jar to the list of possible familiars. Their creation is through Mi-Go technology beyond the reckoning of man but occasionally sorcerers discover and make use of them.
Especially if it's Abby Normal's brain...
"It is all very well to point out that the man lacks facility; as he asserts, sheer force can overpower sophistication."
Jack Vance, Rhialto the Marvellous