Pseudonym

[Dave Paprocki]

noun: false name used-

as a stage name for entertainers,
conceal the identity of someone,
piss off a person temporarily in charge, i.e. substitute teacher.

[Couch Potatoe]

A name that you use on the Internet if for any reason you dont want to reveal your true identity.
Fake intellectuals always accuse you of being [ISIS] if you dont use your real name. The dont realise a psuedonym protects you from scams and people who want to track you down to cause you harm.
In fact, only [pseudo-intellectuals] use the term [pseudonym], everyone else uses an informal term like tag, handle, or username.
Some forums have even gone so far as banning people for using pseudonyms.

[Kai]

A [substitution] for [your name]; a [nickname].

[Tina]

A false name used to hide an [authors] identity.
A [pseudonym] could not be used in [a prank] call. That would not authoring anything.

[Sarah]

your [urban-dictionary] [user name]

[Dianne]

·A word you think only means username thanks to Urban Dictionary(its not [far off] from the truth or [part of it])
· A nickname commonly used by authors(like a [pen name]) to hide ones true identity

[Lanell]

Something that Urban Dictionary [asks] you for when you [publish] a word to the site. Something that the average [human being] would not know the definition to.

[Michiko]

Her [names] [probably] [Kristen].

[Zipporah Schumaker]

The name [appearing] [next] to this [definition].

[Gregory]

A nickname used to masquer your identity for [privacy] reasons [or so] you wont get caught doing something [naughty].

[Sommer]

A fictitious name, especially one used by an author.

[Luis Fok]

the [username] you [use] for [the urban dictionary]