Religion: not determined yet
Name: Mark Denninger
Other Names: Mark Dunninger
First Appearance (Additional Details): (mentioned) Batman and the Outsiders (vol. 1) #16 (Dec. 1984): "The Truth about Halo, Part 1: ...Goodbye..."; (seen in photo) Batman and the Outsiders (vol. 1) #17 (Jan. 1984): "We Are Dying, Egypt--Dying"; (actual appearance) Batman and the Outsiders (vol. 1) #20 (Apr. 1985): "Death and Remembrance"
Number of Appearances: 2
Ally: Violet Harper (Halo)
Note: Violet Harper's crime partner
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