No, the ancient Greeks were not Wiccans.
the wiccans or satanists, if referring to Satan
All Pagans (Wiccans included) believe in god. Most of them believe in more than one, and we include goddesses too. Deity, the power of creation, the energy of the universe, whatever you choose to call it, in whatever form or forms you see it in is a fundamental part of our spiritual paths, no matter how diverse those paths may be.
Some Wiccans do. This is left to each individual to determine. Some perceive supernatural events and hidden "powers" to be those which can be cultivated. Others perceive these to be flowing from God. Still others believe even more differently than that.
The Goddess is Eternal. It is the God who is reborn.
Yes, in Wicca there are two main deities. The (moon)Goddess, and a (Sun)God. Some Wiccans are also known to worship some Greek Gods and Goddesses.
Wiccans use several Pantheons depending on their traditions. My best suggestion is to check with the specific group you are interested in. But of course, All of the gods and all of the goddesses, are only aspects of the goddess and god.
Wiccans don't neccesarily pray like the common christian does. Wiccans pray with spells, which to us are like prayers but for different reasons. We use a spell for specific things to "pray" for things we would like or things we need. In a sense a spell to us is a prayer for the common christian and any god fearing religion.
We call it a Wiccaning. Yes, we have our own baptism ceremony for babies (or new members of the faith).
I'm one, so yes, there are Wiccans in the world.
AREN helps Wiccans realize their true potential in conjuring spells. It allows Wiccans a sort of guide to different spells and such that they may utilize.
NO! wiccans do not worship Jesus. that's christians. we have our own goddess and god and believe that they are in nature therefore we worship nature.