[Opinions] Re: Pip and Amos
I don't think Pip was ever much of a thing in the US, no more than Pippa was. It comes off as very faux-British, and also trying way too hard to be ... cute, puckish, in a very Brit-lit kind of way. (Same for Pippa, but it's more like the bizarre-hats-at-horse-races-and-yachting-parties-with-people-called-Wiffy-and-Bonzo. The pimp thing doesn't even come in to it, I don't think.
Amos is very tempting to make fun of once kids learn about the excretory system. (I wouldn't think Angus would so much, except I have twice seen signs in restaurants advertising an Anus Burger. I wish I was making them up.) To me, Amos also has a whiff of ... blackface about it, because of the old-time radio and TV show Amos n Andy, who at least on the radio were done by white actors doing very stereotypical and offensive-by-modern-standards dialect. It's before kids' time, and mine and yours, but it feels almost on a par with Jemima; a perfectly reasonable Bible name with too much racial baggage. (It also has a strong Amish or Mennonite feel to it.)
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Steve Martin