The cross did come into general usage later than modern jesus shits would have us believe.
https://en.wikipedia.org/wiki/Christian_cross
As far as anyone named "peter" being crucified upside down that seems to come from a discredited piece of shit called Acts of Peter which was so fucked up that it did not make the cut to get into the fucking bible. Not enough votes on the committee, I guess.
https://en.wikipedia.org/wiki/Christian_cross
Quote:During the first two centuries of Christianity, the cross may have been rare in Christian iconography, as it depicts a purposely painful and gruesome method of public execution and Christians were reluctant to use it.[url=https://en.wikipedia.org/wiki/Christian_cross#cite_note-McGrath321-1][/url]
As far as anyone named "peter" being crucified upside down that seems to come from a discredited piece of shit called Acts of Peter which was so fucked up that it did not make the cut to get into the fucking bible. Not enough votes on the committee, I guess.