It looks like a face, not a mask, and I just said only the eyes resemble it. The mouth is an open mouth, the body and stuff on it are different, and Darkstar didn't even have the mask on when Charmcaster confronted him in "Mystery Incorporeal". Plus, again, the link above has Kevin Rubio pretty much saying "it's not Darkstar, the wiki is wrong."
Officially, we only add categories that fit a certain character/article according to their present status. While it is true that some articles to not fit this pattern, it is only that way because some editors are not aware of this. If you want, you can make a thread in the suggestions board, properly explaining why you think your way is better, and see if you can get approval for your idea.
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