There's only one ....
the popes had more power over the kings
there were no popes in the pagan world, you imbecile; the popes were vicars of the roman catholic (ie. Christian) church.
No, the Church has had 266 popes (as of 2013) and all have had names.
In the early centuries of the Church there were three popes from northern Africa but nothing is known of their races. All other popes have been caucasian.
There have been 217 Italian popes and only 49 non-Italian popes.
For a complete list of all the popes and their birth places, click here.
There have been over 70 popes canonized as saints, not just three.
Catholic, as all the Popes are. The Pope is the leader of the Catholic Church.
Emperors and kings disagreed with the Popes over who should appoint bishops. The disagreement lead to the Investiture controversy.
While a number of popes are buried in St. Peter's Basilica, not all of them are buried there.
The list is too large to publish here so click here for where you can find a list of all the popes and their birth names.
See the link below for a list of all married or sexually active popes.