Destroyah

Contrary to popular belief, Destroyah did not kill Godzilla. Godzilla suffered a catastrophic meltdown during his fight with Destroyah, which killed him. Actually, Destroyah holds the distinction of being one of the few of Godzilla's antagonists to be killed by the Japanese military. They used one of their apparently numerous super-weapons though, so I guess it doesn't matter. Plus Godzilla's son (the lamest kaiju since Gorosaurus) helped a bit. Fucking Minya!

Destroyah is easily capable of beating Superman though. The difference between Japan's super-weapon and Superman is that a super-weapon is not an organic being. Destroyah's amazing energy attacks possess the properties of the Oxygen Destroyer, the original super-weapon which put Godzilla down in 1954. It causes a chemical reaction which...destroys oxygen. Sure to ruin the day of anything which requires oxygen to live. It's true that Superman can hold his breath a long time, but having all the oxygen in your body destroyed isn't the same as having the air sucked out of your lungs. Having all the oxygen in your body destroyed would pretty much kill you immediately.

Destroyah has other useful powers as well. He can split himself into smaller monsters (a process which also heals any wounds he might receive), change shapes, and...well, I guess destroying oxygen is his real ace in the hole. He's big though! Being big is an advantage against Superman, as I have explained in like three different entries by now.

Destroyah fought Godzilla to a standstill when Godzilla was at the peak of his power. When Godzilla was burning with so much radiation his own fucking bones were melting. And Destroyah may have been killed by the Japanese military, but at least he didn't get killed by Doomsday (who I maintain to this day is a poor man's Incredible Hulk).

Next Week: Mewtwo