For the sake of conversation, let's just say that you could hypothetically change your username at any given time to anything you wanted.
Would you want to do it?
Personally, I like my name. It's a testament to one of my favorite childhood games, and I'm sure you've all played it.
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I'd change it from "HOOBLA 911" to just "hoobla". Sounds more classy. -hoobla-