The magician draws a “zero” in the sand, from Feature Comics #44; artist
uncertain.
Zero, the Ghost Detective wore no mask, had no other name, and was an expert
in the ways of the occult. His powers were mostly investigative, but on occasion
he demonstrated some true supernatural talent. As the feature’s title indicated,
his cases usually involved war against the “criminal denizens of the phantom
realm.” His clients referred to him as “Mr. Zero,” and he operated from an
official high rise office. His first case involved the ghostly return of three
brothers, who in their youth had made a pact—if one of them were to die, they
must return in the form of an ogre, to care for the others. In their adulthood,
one of the brothers died, returned as the ogre, and killed a brother. Zero
unearthed the body and drove a stake through its heart. (Feature
#32)
Usually Zero did not demonstrate any real magical abilities, though he was
the master of many magical artifacts like the “ghost disintegrator” and the
“Q-Ray” detector.
Zero described himself as an “ally” with death, which gave him powers to
battle the supernatural undead. (Feature #48) Sometimes he drew a circle—or
“zero”—on the ground as part of a spell to affect ghosts. He dispelled ghosts
with a mere gesture, and caught glimpses of the future.