lovecraftian

adjective: Of or relating to the work of H.P. Lovecraft: terrifyingly monstrous and otherworldly.

cervantic

adjective: Of or relating to Miguel de Cervantes, especially his satirizing of the chivalric romances.

hobbesian

adjective: 1. Of or relating to Thomas Hobbes or his ideas. 2. Grim, selfish, unrestrained, etc.