The Angel [Tom Hallaway] (Introduction); The Six Big Men (Introduction, Death) [Gus Ronson; Mike Malone; John Dillon; Trigger Bolo; Steve Enkel; Dutch Hanson]; the Big Boss [Dr. Lang] (Introduction); Lil (Introduction)
The Angel is called in to handle a group known as the "Six Big Men" and their mysterious leader, who have taken over an entire city.
The Masked Raider [Jim Gardley] (Introduction; Origin); Cal Brunder (Introduction)
When Cal Brunder, who has been forcing small ranchers in Cactusville to sell out to him at his own price, sends his men to the ranch of Jim Gardley, and he won't sell, he has a phony charge of rustling leveled against him.
Ken Masters; Professor John Roberts; Tim Roberts; Crafton (Death); Mike (Death); Slug (Death)
Ken and Tim are worried about Professor Roberts, who went into the Amazon jungle three months earlier, trying to locate a certain Indian tribe that had in its possession a diamond with hypnotic powers.
Ka-Zar I [David Rand] (Introduction, Origin); John and Constance Rand (Introduction, both Death; Ka-Zar's parents); Zar (a lion, Introduction); Chaka (a gorilla, Introduction); Trajah (an elephant, Introduction); N'Jaga (a leopard, Introduction); Paul De Kraft (Introduction)
A plane crashes into the jungle in the Belgian Congo, and a young boy named David, watches his mother die, and later his father at the hands of Paul De Kraft. The youngster trained in survival tactics by his father, is later re-named Ka-Zar, brother of the mighty Zar, a lion whose life he once saved.