A commenter want to know the true meaning of Baphomet–but this is not a question that has a single authoritative answer, nor do we want one.
“Bible” is a word that attempts to communicate authority–basically a way of padding your book’s resume. I prefer to trust non-Bibles.
Since Satan isn’t real, we’ve never much cared whether media depict him as “good” or “evil”; not like he’s going to mind. But that may change.
Remember to leave a wishbone on the threshold once a month, as that’s the most effective way to ward off superstition.
Theology and fiction sometimes speculate about whether god will ever redeem Satan. This question ignores the more important fact that that’s our job.