Don't ask if it's ok with them if you have no intention of changing your minds. It will only cause issues as your friends will think you didn't speak to them in good faith.
No one owns a name so you should name your Bub whatever you like.
The only time I think sensitivity is required is when the name chosen is significant because it represents a deceased person. Doesn't mean 100% others can't use it, but I think In that case it's worth at least floating the idea.