From the Hydra to the Rainbow Serpent, myth was the compass that led us to the resting place of the three-headed Titan. A name, unspoken through millennia of whispered nightmares. A living extinction event, named “the one who is many”. We call it Monster Zero.
— Monarch Sciences description
The King Ghidorah (キングギドラ Kingu Gidora) of the MonsterVerse, also dubbed Monster Zero, is a daikaiju appeared in 2019 film, Godzilla: King Of The Monsters. Notable for how each of its head had its own personalities as opposed to original "shared brain" Ghidorah.