lol! We were going to name our new arrival ernie but when we went to pick him up, i was handed a bit of scrap paper. It said: mike wazowski 20.4.16
Well - that was it then, we weren't just picking up any piggy, this was mike. Not a name i would have chosen tbh but it saved a few arguments in our house. . . and my daughter wanted to call him dusty (!)
From your list i like wilbur and Winston best as names - but mowgli suits him too