Invisible-War

We don't believe in Hell, so the upside is we enjoy this one and only life we have with those we care for.

That would imply that Jesus of Nazareth was real in first place, which is questionable. But a crossbow seems to work well for Daryl Dixon, so I'll go with that.

They are despicable.

I answered this in the OP. All religions are man-made, all symbols and stories used to explain our existence and the unknown. Religion and abstractions are important to the human mind and we choose Satan as the symbol that most accurately represents our values and worldview.

No, otherwise I wouldn't identify myself as a Satanist. And that's OK. Life is too short to try to be something you're not.