It is because the earth is a giant "Ant Farm" for some far-out teenagers from another part of the universe and they planted all the bible stuff and these two teenagers (BTW, they are hundreds of millions of years old but time passes differently for them) used the plural because they both participated in earning the money so they could afford their own ""Inhabited Planet." They saw the ad in the back of the comic book and they decided to pool their money and do odd jobs so they too could become "GODS."
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