Once known as the White Queen, Emma Frost is a powerful telepath:
|Frost, Emma - Born into a wealthy family, Emma left home after her mutation developed, and became leader of the Hellfire Club. As a powerful telepath and the ability to change her body to diamond form, she later joined the X-Men before become Headmistress of the school.|
There are multiple individuals who have used this name in alternate realities.
Frost, Emma (Ultimate) - A former student and lover of Charles Xavier, Frost left Xavier to start her own school.