People using the internet will rarely go by their given name. Writers seem to have some very specific ideas of how this works. The Cracker and Playful Hacker will use an alias as a pseudonym for all their hacker-y deeds (In extreme cases they'll only go by that name.). They tend towards single words or two word phrases (preferably cool sounding). In more recent works, since Technology Marches On, [...] [tvtropes.org]