It's true that Rodan is one of Godzilla's closest allies, but it's important to note that the other two major heroes in the franchise have had their turn as the primary foe to Godzilla in a film.

Similar to what happened in Invasion of Astro Monster and Ghidorah, the Three-Headed Monster, Godzilla and Rodan were entrusted with saving the world from Ghidorah. But the film wasn't to be a ...