I very much agree with your thoughts on
Humphrey; I'm of the belief that name-related teasing is quite rare, but even so I worry about
Humphrey's teasing potential. I'm not entirely sure the pronunciation I listed is the original, just a vaguely educated guess, but I agree it's rather awkward if it is the original.
Thank you!
Ottilie

http://www.behindthename.com/pnl/116467