Of course it is, it's your Nano Prep. There's a minor character #2 profile coming up on the 28th, but nothing says you couldn't do additional minor character profiles now to help yourself out. It's all supposed to help you write your novel, you're allowed to write more.

"Whoever fights monsters should see to it that in the process he does not become a monster. And when you look long into the abyss, the abyss also looks into you."-Nietzsche