Mechagodzilla appears in the 2021 film Godzilla vs. Kong, where the character's sound design leans mechanical rather than animal. That metallic roar became useful in online edits because it signals a robotic kaiju immediately, even in very short clips. Creators use it in monster battles, dramatic reveals and exaggerated power-up moments across meme videos and fan edits. It stays popular because the sound is recognizable to kaiju fans while still working as a general sci-fi creature effect for anyone who wants something heavier and colder than a classic monster scream.