Please try and consolidate your posts; we really are not supposed to post more than, I think, four new threads a day, and you've got several one after the other after the other. It's fine to ask about several names in the same post.
No, I don't like Gwendolyn or Gwendoline or any name with the gw sound. The sound is just very unattractive to me.
Before you criticize a man, walk a mile in his shoes. That way, when you criticize him, you're a mile away and you have his shoes!
Steve Martin