Why popes choose a new name?

The process has largely theological foundations, what it is and what are its main features -> This is a big question that is not always accurate explanation. The truth is that the designation of the nicknames of each new Pope answers a theological foundation and not to matters of chance, as you might think. An article published by the Spanish newspaper ABC reveals that the name change is based on the Bible, and that God "always changed the name to those who entrusted a specific mission, such as Abraham or San Pedro, which was actually Simon. That tradition then explains why each pope assumed the name changed once premiered his new role as head of the Church. What criteria influence when choosing? Some take the name of their predecessors nearby. Others generate a long trail of repetitions, although they could also release a new nickname, as in the case of Jorge Bergoglio, who chose a name that no other pope had used. Both Francisco, as Luis, Tomas and Ignacio, to name a few, remember great saints of the Catholic world, which are well received by the faithful. The names used. The nicknames most used in the story were John, Gregory, Benedict, Clement, Leon, Innocent, Pius, Esteban, Urban, Alexander, Adrian, Paul, Sixto, Martin, Nicholas, Celestino, Anastasio and Honorius.