Modern psychology uses the term 'messianic complex' to describe the phenomenon where individuals claim self-awareness of their proclaimed role as a 'savior'. I find this tendency of lower human nature fascinating.

What makes people convinced that they are 'the chosen one'? Even more interesting are the mechanics behind what makes sometimes large numbers of people convinced that a particular person is the messiah?

This happens a lot. Psyche wards worldwide have a continual roster of 'Jesus Christs' admitted for treatment.

Here's the latest 'Jesus Christ incarnate':