I prefer the
Viggo spelling, because it feels more like a first name. Probably because of
Viggo Mortensen.
The Vigo spelling actually reminds me of Fringilla Vigo, a sorceress from The Witcher books (and games, and tv shows...).
Between Vigo,
Milo, and
Zeno, I like
Milo best.
My PNL = http://www.behindthename.com/pnl/37275
Top: William and Cordelia (main) / Sirius & Eydis (GP) / James & Charlotte (top25)
Bottom: Delsin and Ebba (main) / Dinadan & Neon (GP) / Corvo & Deva (top25)