Question
LOS ANGELES - MAY 18:  Atmosphere at the "Godzilla: King Of The Monsters" Premiere at the TCL Chinese Theater IMAX on May 18, 2019 in Los Angeles, CA

Which kaiju is considered Godzilla’s biggest rival?

Last updated: November 3, 2025

Godzilla has stomped through Tokyo more times than anyone can count, faced down alien invaders, robot doubles, and giant moths who think they know better than him. But throughout seven decades of kaiju mayhem, one monster keeps showing up like that annoying neighbor who never takes a hint. This beast has been picking fights with the King of Monsters since 1964, and their rivalry has become the stuff of legends. Which kaiju is considered Godzilla's biggest rival?

Correct Answer: King Ghidorah

(Source)

King Ghidorah is that one friend who always starts drama at parties, except the party is planet Earth and the drama involves leveling entire cities. This golden three-headed space dragon showed up in 1964 and immediately decided Godzilla needed to be taken down several pegs. While most monsters terrorize one city at a time like civilized kaiju, Ghidorah flies around shooting lightning from all three mouths like he's got somewhere important to be. The guy is so consistently awful that aliens keep hiring him as their go-to Earth destroyer. What seals their rivalry is that Godzilla usually needs backup when Ghidorah comes knocking. Even when Toho tried making Ghidorah a good guy in 2001, they had to make Godzilla possessed by angry war ghosts because regular Godzilla wasn't threatening enough to justify their golden boy switching sides.

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