Eh, Levi doesn't really float my boat. Cadyn I think is really pretty, I know a girl who named her little boy Caden but I like it for a girl.

I don't care for Levi because 1. I'd be constantly thinking of jeans and 2. My last name is levett pronounced levitt soi get called levi

Levi is ok but not something I'd use. Cadyn seems masculine to me. I prefer Caedan or Caden for a boy.

Yes, its really common on boys right now. I really only like it for a boy, its my friends little boys name, Caden lee. My other friend named her baby boy Payton Lee.