There is only one, and you begin by joining the clergy in the Catholic church.
the pope
Before being elected pope he was the Prefect of the Sacred Congregation for the Doctrine of the Faith.
He is the pope
Most cardinals do not really want to be pope as it entails massive amounts of responsibility. They accept the position only because they consider it as God's will. Eugenio Pacelli (Pope Pius XII) upon being elected said: "I do not deserve this honor. I accept it as a cross".Pius also requested that the cardinals vote one more time to verify he was the chosen one before he accepted the position as pope.
Pope
Three tellers are chosen by the cardinals in the conclave. Their job is to open, count and verify the ballots cast for the pope.
Although any male Catholic could be chosen as pope. unless you are a cardinal, your chances of being chosen as pope are virtually zero.
Leo 'stopped' being pope when he died on November 10, 461.
Pope John Paul I died about a month after being elected.
Yes there was. There were 2 popes with the birth name Borgia. One being Rodrigo Borgia Pope name Pope Alexander VI and the other being his uncle Pope Innocent VIII.
He could but chose to take the title of Pope Emeritus instead.
The Swiss Guards are the body guards of the pope.