The Incal (/ˈɪŋkəl/; French: L'Incal) is a French graphic novel series written by Alejandro Jodorowsky and originally illustrated by Jean Giraud. The Incal, with first pages originally released as Une aventure de John Difool ("A John Difool Adventure") in Métal hurlant and published by Les Humanoïdes Associés,[1] introduced Jodorowsky's "Jodoverse" (or "Metabarons Universe"[2]), a fictional universe in which his science fiction comics take place.