
1) Fictional mutant 2) Fictional virus 3) Video game boss
Found on
https://www.crosswordclues.com/clue/deoxys

Deoxys first appeared in the 2004 video games Ruby and Sapphire, accessible via a Nintendo promotional event. It played a major role in the film Pokémon: Destiny Deoxys later that year. It has since appeared in several video games and the Pokémon anime series. The Pokémon has also been featured in official merchandise and a collaboration with N...
Found on
http://en.wikipedia.org/wiki/Deoxys
No exact match found.