Neither, please.
There was a
Babysitters Club-esque ripoff sometime in the early 1990s that featured a girl character named
Palmer. I remember reading it and thinking it sounded ugly.
Now it sounds both ugly and dated, which is striking for a name that is "new" in terms of popularity in the US.
For a boy, it just sounds unpleasant.
Arnold?
Andrew
put a smile on your face - make the world a better place (: