Monolith (Space Odyssey) Source: In Arthur C. Clarke's Space Odyssey series, Monoliths are machines in black cuboids whose sides extend in the precise ratio of 1 : 4 : 9 (12 : 22 : 32) built by an unseen

Black triangle (UFO) Source: Black triangles are UFOs reported as having a triangular shape and dark color, typically observed at night, described as large, silent, hovering, moving slowly, and displaying

Guillermo del Toro Source: Throughout his career, del Toro has shifted between Spanish-language films—such as Cronos (1993), The Devil's Backbone (2001), and Pan's Labyrinth (2006)—and English-language