Batman and the Outsiders (vol. 1) #25 (Sep. 1985):
“A Serpent in Eden”
by Mike W. Barr, Alan Davis

Batman and the Outsiders (vol. 1) #25

Title: “A Serpent in Eden”

Medium: comic

Cover date: Sep. 1985

Publisher: DC
Written by: Mike W. Barr
Art by: Alan Davis

18 characters in this story:

(Click links for info about character
and his/her religious practice, affiliation, etc.)
Pub. #
Batman Batman (Bruce Wayne) hero
CBR Scale: ICBR Scale: S Episcopalian / Catholic (lapsed); atheist
Batman family; Quinntets...  DC 11,112
Alfred Pennyworth Alfred Pennyworth supporting character
CBR Scale: I Anglican
[butler] DC 3,048
Metamorpho Metamorpho (Rex Mason) hero
CBR Scale: U secular
Seven Soldiers of Victory; The Doom Patrol...  DC 392
Black Lightning Black Lightning (Jefferson Pierce) hero
CBR Scale: S Northern Baptist (ABC/USA)
black; The Justice League...  DC 353
Geo-Force Geo-Force (Prince Brion Markov) hero
CBR Scale: U Markovian Orthodox
The Justice League; The Outsiders DC 214
Katana Katana (Tatsu Yamashiro) hero
CBR Scale: S Bushido / Buddhist
Asian; Birds of Prey...  DC 223
Halo Halo (Gabrielle Doe) hero
CBR Scale: I Kobra (temporary)
Aurakle; Kobra... 
[first name, Gabrielle, inspired by the angel Gabriel]
DC 130
Lia Briggs hero
CBR Scale: S ethnic Abyssian; vampire
Abyssian; The Outsiders DC 93
Kobra Kobra (Jeffrey Franklin Burr) villain
CBR Scale: M Kobra
Blackadders; Kobra...  DC 85
Denise Howard Denise Howard supporting character
  [Geo-Force's girlfriend] DC 23
The Kobra Cult The Kobra Cult villain group
CBR Scale: D Kobra
[joined by Halo; followed Kobra (as "Brother Abraham")] DC 15
Alisa Travers supporting character
  [] DC 2
David Harrison supporting character
CBR Scale: M Kobra (Eden order)
[led Halo to Eden, a front for the Kobra cult]
DC 4
Sister Eve villain clergy/religious leader
CBR Scale: D Kobra
Kobra; Strike Force Kobra
[Kobra's assistant; co-leader of Eden front group]
DC 5
Dr. Myers supporting character scientist
  [] DC 1
Jane Piersall supporting character
  [] DC 2
General Robert E. Harrison supporting character
  [White House Chief of Staff; David's father] DC 3
Brother James supporting character
CBR Scale: D Kobra (Eden order)
Kobra DC 1