tl;dr: His girlfriend's step-dad booked tickets for him and his girlfriend and took his name from FB - but like several people I know his FB surname was false. It was cheaper for him to change his name to the joke FB name and get a new passport than it was to have the airline correct the silly error.
I siiiiighed when I read the word false in your comment. All identity is a human invention, there is no such thing as a "true" identity, only many individual ones, such as what the government knows you by, what your family called you at birth etc. There are probably even people without a name in 2015. You're falling for some of the same traps as FB and Ryanair.
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[ 2.9 ms ] story [ 12.0 ms ] threadDeeeeep siiiiiigh.
http://www.kalzumeus.com/2010/06/17/falsehoods-programmers-b...