Secret (Greta Hayes)
Fictional character
Secret (Greta Hayes) is a fictional character appearing in American comic books published by DC Comics. Wikipedia
Fictional universe: DC Universe
Creators: Todd Nauck and Todd Dezago
Abilities: The ability to fly, teleport, shape-shift, become ethereal, possession, and take souls to the afterlife
First appearance: Young Justice: The Secret #1 (June 1998)