
1) Fictional monster 2) Fictional mutant 3) Godzilla character
Found on
https://www.crosswordclues.com/clue/megaguirus

==Character biography== Although the species of meganulon, the origin of Megaguirus, were first depicted in the 1956 movie Rodan, the monster itself did not appear until its debut in 2000. Megaguirus was first mentioned in the movie Godzilla vs. Megaguirus after a swarm of meganulon absorbed energy from Godzilla and quickly fled to a flooded secti...
Found on
http://en.wikipedia.org/wiki/Megaguirus
No exact match found.