Ok, so I just compared Halo and Hiroshima's(Finished designs.) to make sure they don't look alike and it looks pretty good. Also, the doodle was in fact, Hiro.
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So this is Halo's character design. It's from 2017 when I tried to do the "anime artstyle". Pretty big fail? Huh?

And this was the doodle! It's Hiroshima. Also by the way, if you can't tell she has a bun on top and white chopsticks. Another thing, the black shirt was originally gonna be a tank top over her white jacket but then I changed it to just be a black shirt since Hiro wouldn't wear those kind of things.