Glenda Mark

Glenda Mark is a fictional comic book character featured in titles published by DC Comics. She first appeared in Demon #1 in September, 1972. Glena Mark was originally introduced during DC's Pre-Crisis Earth-One era of continuity, but her existence, personality and history has been largely preserved in the Post-Crisis environment. Glenda Mark is a young blonde-haired woman, who is frequently seen as a friend and colleague of demonologist Jason Blood, aka, the Demon Etrigan.