It depends what you mean by 'believe'. There are certainly Witches (Wiccans, if you must), who do believe in these things in a sense. And I would suggest it is the same sense in which many "bad" Christians believe in their God. And, yes, it even extends to Odin, the Legions of Asatru exists, revived by Edred Thorsson (q.v http://en.wikipedia.org/wiki/Stephen_Flowers).
Christian cults like Santeria, Condomble or Vodoun are really just the same thing, and it is just as weird, in just the same way. But you can still buy Santero herbs and Five African Powers candles in most suburbs of Chicago.
These people believe there is some force that is part of human nature to which they can appeal to influence their own psychology, other people and some natural events. So their 'belief' is more of an aspect of psychology, on the order of Jungian Archetypes, than of genuine conviction of something independent of our reality that nonetheless affects it. (They would express it as the latter, but I think we all know better.)
At the same time, I think most ordinary Christians alive now, who think for themselves, backed into a corner, would admit that their worship of Jesus of Nazareth is cultural and experiential, and they just think it maintains their culture, identity, and psychology in some way, and that it affects history through human action, and not by intervention.
So weird is relative.