Johnny wears a fake moustache and somehow enters the viltrumite base and they think he is one of them

Then he gets his ass kicked for trying to hit on their women, except instead of comically falling head first on the floor he gets launched 20 miles away

Man’s built different

Ben 10 has several aliens that could solo a pack of viltrumites

If all else fails, he can blink them out of existence using Alien X

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