I like
Adrienne. It's very pretty and sweet.
Fabienne bothers me. It sounds too much like a celebrity name. I do like the nn Fable, though. About Viggo....I love it. I don't think it's too odd, but maybe it'd be better as a middle name?
Robin Viggo would sound cute.
Sherlock: Alone is what I have. Alone protects me.
John: No. Friends protect people.
~BBC's
Sherlock