[quote=Hillan]
Oh.. I thought I read that he said something about his name being Leech... Huh.
[/quote]

He 'thought' it before going into the bar, I believe, although to be honest,he hasn't really taken the name yet, it's just how he views himself in comparison to other people/mutants. When your healing factor makes you a constant danger to those around you, a low sense of self worth is a considerable issue.