Eh, why not? I've probably been here long enough that it's my turn to play welcoming committee.

*The cloud disappears and he hovers down closer to the ground, but doesn't actually land. Walking is for suckers without wings.*

You're in Equestria, a world where humanoids don't seem to exist. As far as anypony can tell, you, me and a lot of others from various other words have been brought here thanks to an alicorn called the Pale Pony. She's supposedly some kind of psychopomp, but that's all anypony really knows about her. We aren't even sure if she brought us here on purpose or by accident...although the evidence is leaning toward on purpose.