Excuse me Jason, as no doubt you know, before Albino Luciani, no one had chosen a new papal name in over a thousand year. In 1978, when the senior cardinal announced “Habemus Papam” and plenty of TVs broadcast it live, he very clearly stated about Luciani “qui sibi nomen imposuit Johannis Pauli Primi” (who decreed for himself the name of John Paul the First).
I wonder if you were perhaps mislead by the absence of this piece of info on Wikipedia, but if you scroll down, you will see a photo of his tombstone which has in large capital letters JOHANNES PAULUS I PP. Additionally you don’t seem to have noticed that Wojtyla was announced (live on TV worldwide) as Johannis Pauli: at that time I was explained (by the same catholic friends of mine who now express surprise at the change in ceremonial) that the numeral is omitted if the former pope bore the same name.
PS my respects, Popa. I would not have guessed he does not watch TV.