OK, I missed one.
Question 2: I could never count my charries, simply because--besides the ones in WiPs--I also have many characters that do not live within stories but are merely scene-bound or floating around in my computer waiting for a life. But most of my stories have one of each (male/female) for the main characters, often equally devided for POVs. I HAVE noticed though, that my stories that are more likely to be finished feature males as MCs. Dunno why.
Question 3: It's different for every story. For my current fantasy work, I was trying to thwart every possible cliche, so I have Asian elves and Middle Eastern/African humans, and all my people names are NORMAL. My main character is an elf, but his name is Daniel. It makes things a bit more fun.
Other people names come from all kinds of places--one story, each character had a name that meant something about them. One, I took every single name from the names of authors of books on my shelves. It just depends.
Place names, I'll usually make up with random syllables.
Pay no attention to the bird behind the curtain!!
Trav is a SHE
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I am a Wraith of Yore...fear me and my power of forgotten-thread blackmail