User blog comment:MrYokaiAndWatch902/Kinda too early but I can confirm the contestants of The Super Sawesome Elimination Show 2: NintenDOH/@comment-34487887-20180127192306/@comment-30682652-20180130074147

"Literally every DeviantArt account literally has the C symbol on it."

it's called core, if you see a c symbol on a deviantart account, the account has a core membership.