SGS, you've been around long enough to know that I'm pagan, and have been all my life. So yes, treating my beliefs cavalierly will put my back up. Consider it as having poked me.
And warlocks are not magical, nor are witches, druids, shamans or witch doctors. I'll disregard the flippancy of the tooth fairy, in the spirit of being helpful. Witches practice magic. Witch doctors practice magic to some extent. Druids and shamans do not practice magic. They are more akin to priests and/or oracles. Warlocks are not a magical class in the real world, WoW notwithstanding. But none of them are magical creatures, unlike the fey, who are magical creatures.
You can choose to disregard the real-world definitions of these roles, but in that case, you should not come here and ask for assistance with researching these things. All you do is frustrate those of us for whom these things have significance. Instead, consult the WoW Wiki.