changing username/details

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Just a mild question...

...since i'm hoping to finally migrate from the semi-lurking question-asking user to someone actually posting (I hope) some interesting projects, builds, and related such over the next few months, what's the recommended protocol (and is it okay) to change a username, or should I get a second separate username, or what?

Basically put when I first showed up here I thought it would be a hit and run ask a few quick questions, get a bit of advice, then move on, but the conversations and people and knowledge here is too interesting so since I plan to stay for awhile i'd like something better than Twice Shy. Like I might well change it to my starting studio name (which has yet to be named but will coincide with the first public build completed and it's video log probably) to match other things...