Ginniyeh was a demon-like mutant telepath and member of the Neyaphem, ruled by Azazel
. She along with the other members of the Neyaphem were banished to the Brimstone Dimension, by the angels of the Cheyarafim, a race of angel like mutants. Azazel stated that Ginniyeh had sewn her eyes closed as a means to focus her telepathy. In a violent and intense battle with the X-Men
, her head was severed from her body, although, she quickly grew another one. It appeared the two young X-Men had met that their match, until Iceman
entered the fray and killed Ginniyeh.