Emma Frost a.k.a the White Queen is a mutant telepath known for her revealing white clothes. She used to be a member of the Hellfire Club's inner circle, but is now the headmistress of the Xavier Institute and a full member of the X-Men.

Emma Frost is a metamorph capable of accessing both a human form with enormous telepathic abilities and an organic diamond form with enhanced strength and durability. She uses this diamond form to BLOCK her enemies.