Il Papa it is. We have essentially 2 votes for the man known as Pope Benedict XVI formerly known as Cardinal Joseph Ratzinger, a.k.a.:
Eggs (As in Pope BenedictXVI)
B-16, a weapon of Mass instruction
Benny and the Justs
and of course any of these less reverant terms: Vicar of Christ, Vicar of Peter, Holy Father, Bishop of Rome, Servant of the servants of God, Supreme Pastor, His Holiness, The Rock, Supreme Pontiff, Father of Kings, Governor of the World, Successor of St. Peter, Shepherd of the Universal Church.
He may called by any of these names. Yea, I shall walk through the garden in safety. Oh thank you vicar of asparagus and rhubarb. He is infallible and so shall be my spring seeds. Hosanna.