The artist generally credited with creating Rulah is Matt Baker, although Jack Kamen and Graham Ingels were also associated with her.
Jack Kerouac | Jack Nicholson | Jack Nicklaus | Jack the Ripper | Jack London | Jack Kemp | Jack Kirby | Jack Lemmon | Jack Black | Jack Abramoff | Jack Dempsey | Jack Benny | Jack White | Wolfman Jack | Union Jack | Jack White (musician) | Jack and the Beanstalk | Kamen Rider | Jack Johnson | Jack Charlton | Jack Palance | Jack Daniel's | Jack | Jack Paar | Jack Layton | Jack Straw | Jack Vance | Jack Bruce | Jack Warden | Jack's Mannequin |
Because of the risque images found in the issues of Jo-Jo, many of them provided by Jack Kamen and Matt Baker, Dr. Fredric Wertham mentioned issue #15 in his book Seduction of the Innocent.
Artists featured in Shock Illustrated included Jack Kamen, Rudy Nappi, Reed Crandall, George Evans, Al Williamson, Angelo Torres and Graham Ingels.