
1) Bethesda character 2) Horror video game character 3) Video game boss
Found on
https://www.crosswordclues.com/clue/cyberdemon

Giant, extremely tough minotaur-like monster; Rocket-firing arm.
Found on
http://classicdoom.com/glossary.htm

The Cyberdemon is a fictional character in the Doom gaming-franchise by id Software, where it was introduced in the first-person shooter game Doom in 1993. Since then, it has appeared in several other id games, including Doom II: Hell on Earth, Doom 3, Doom RPG and Wolfenstein RPG (as the Harbinger of Doom), and the other media related to them. Th...
Found on
http://en.wikipedia.org/wiki/Cyberdemon
No exact match found.