[RobbyS]

I think you miss the significance of the location of where this all took place, which was up at Banias in the the Golan at a spring from which one branch of the Jordan flows, known as the Gates of Hades, long a site of pagan worship. And he seems to be punning on Simon’s name. Given Peter’s mercurial behavior, sometimes it seems that the nickname is “ironical,” For he almost immediately has to slap Peter around verbally.

[Elsie]

I think you miss the significance of the location of where this all took place,

Well; since this info WASN'T recorded here; I guess the 'significance' of it is lost on me.