"Demon's Night"
Amalgamation of Ghost Rider/Flash/Etrigan.
Amalgams include:
Speed Demon: Ghost Rider/Flash/Etrigan the Demon
Kid Demon: Johnny Blaze/Wally West
Arrowcaster: Nightcaster/Speedy
Night Spectre: Nightmare/Spectre
Scarecrow: both Marvel and DC versions
Uatu the Guardian: Uatu the Watcher/Guardians of the Universe
Blob: Blob/Chunk
Miss Miracle: Crystal/Mister Miracle
Puck: Puck/Oberon
Siliconman: Sandman/Plasticman
Two-Faced Goblin: Green Goblin/Two-Face