Why use vash_the_stampede instead of just vash? 'the Stampede' is just a title, not his name right?

memegui said:
Why use vash_the_stampede instead of just vash? 'the Stampede' is just a title, not his name right?

Might as well be his name, seeing as everybody just calls him the full thing most of the time.

.. Says the one who's only seen a handful of episodes.