There are multiple artists with the name Jean Grey: *See "Jean Grae" for the social/political female hip hop artist. 1. Jean Grey is the secret identity of the X-Men member Phoenix, with special mutant fire powers. She is also one of the heaviest bands to ever come out of Oregon. Jean Grey hits your ass with the unnecessarily pissed-off brooding of Dead to Fall or Through The Eyes of The Dead but with the 2-step/mosh sensibilities of the likes of Bury Your Dead