The Meaning of Life, the Universe, and Everything.
Kids mixing up exaddurated depictions of stereotypes and actual human beings who have emotional depth. Can't blame 'em though, those on the more depressed spectrum can sometimes give that impression, sadly.
To me it seems the xX...Xx is for decoration, and adding extra flare and pizzaz to an already over the top name. It's 1337 speak for 'notice me, i'm pr0', and normal speak for 'I'm unoriginal, immature and cocky'.