Pope Francis

Pope Francis is the head of the Catholic Church, who is the successor of, after his resignation.

History
Bart showed Pope Francis's (@Pontifex) tweet to Lisa, in which Francis said: "Honor thy father + check out this epic votive candle fail!".

Pope Francis was going to enter Springfield, but turned around and fell down due to a bridge collapsing. He's then seen hitchhiking.

Trivia

 * Pope Francis' official Twitter page is indeed located at Pontifex.