‘Risk of a Shadow Pope’ Trademarked Disney/LucasFilm (2015)

The Vatican’s announcement Tuesday that Pope Benedict XVI will be known as “emeritus pope” in his retirement, be called “Your Holiness” and continue to wear the white cassock associated with the papacy has fueled concerns about potential conflicts arising from the peculiar reality now facing the Catholic Church: having one reigning and one retired pope.

More: 10 things about the Pope’s retirement.