 Mechanical Star-Spawn of Cthulhu, Mad Machine |  Medusa's Coil, Gordon Napier (dashinvaine) |  Meeting Dagon, Tobias Ito Saith |  Melting Ice Cave, Jan Pospisil |  Melusine et Nyarlathotep, Malcolm Huguet y Corentin Broquet |
 Mental Dancing, David Franco Campos |  Mephisto Cthulhu, Simon Kramhöller |  El merodeador de las tinieblas, Salvador Sanz |  Merry Cthulhumas!, autor desconocido |  Messenger from Hali, James Ryman |
 Mi-go, Steve LeCouilliard |  Mi-go, Tatsuya Nemoto (Nottsuö) |  Mi-Go, Chris Walton |  Mi-go, Daniel Zrom |  Mi-go 2, Daniel Zrom |
 Mi-Go Dreams, John Moriarty |  Mi-go Guard, Marco Caradona |  Mi-go lab, John L. Cherevka |  Mi-go Swarm, Uwe Jarling |  Mi-Go, the Fungi from Yuggoth, Nicholas Cloister |
 Mia's my little Cthulhu, Stjepan Sejic |  Midnight Meeting, Paul Abrams |  Migo, Maurice Grunbaum |  MiGo, Borja Pindado |  Migo Poster, CthulhuCthulhu |