Destoroyah's Japanese and English names both come from "destroyer." A possible reason that the name "Destroyer" isn't commonly used in various markets is because the word itself could not be trademark
Extreme temperatures can destroy the micro-oxygen in Destoroyah's body and seriously injure him. The combined extreme temperatures of G-Force's ULT weapons and Godzilla's meltdown are what ultimately killed Destoroyah.
