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"brand new" is a phrase; the hyphen isn't necessary. :P Also, "13 years old" doesn't have any hyphens. You hyphenate ages only if the age comes before is modifying a noun or is a noun itself, not when it's an adjective phrase that comes after a noun. For example: "my friend is 16 years old" vs. "my 16-year-old friend."
looking at the vms below, I feel as if we're having similar problems. There just aren't enough art opportunities on Smogon to be able to keep up a steady stream of tweets that make for an active and exciting twitter
I think there's a way to solve/improve this situation--sticky the RMA thread (!) it would mean more art for your account and great filler for our account! Try asking the ss mods about it if possible :>
you don't know me but i used to do art leader/socialisation forum stuff here a while ago, and i was interested to see that your art of smogon twitter account isn't active anymore
that seems like a pretty cool project. was there a reason it ended?