User blog comment:Neo godzilla/Who do you think is godzilla's greatest rival?/@comment-4524353-20120728034742/@comment-3542924-20120728035543

I don't think Destroyah was all that powerful because Godzilla was rather dying from his burning form in the movie, Godzilla vs. Destroyah.

Also, Godzilla getting help from other monsters, like Rodan, Mothra and Anguirus, just shows how powerful King Ghidorah is in the Showa series.