Why do my friends insist on adapting my msn names?

So, TODAY, my friend Reegan adapted my current msn name, which is Two Weeks In Hawaii - Hellogoodbye.

"I hope this makes you smile. And you might stay that way for a while. 'Cause you deserve every grin that you get." - Hellogoodbye

"I hope this makes you vile. And you might stay that way for a while. 'Cause you deserve evil grins that you get" - Reegan.

Seriously, why?

Catch ya.