Rag Doll is the name of three different supervillains appearing in American comic books published by DC Comics. The first, Peter Merkel, is a villain of the original Flash, while the second is an enemy of Starman and the third is the son of the original and a member of the Secret Six.
Ragdoll in his Golden Age costume from Who's Who.
Rag Doll as he appears in The Batman.
The Secret Six is the name of three different fictional comic book teams in the DC Comics Universe, plus an alternate universe's fourth team. Each team has had six members, led by a mysterious figure named Mockingbird, whom the characters assume to be one of the other five members. The third, anti-heroic incarnation of the Secret Six was rated by IGN as the fourth Best Comic Run of the Decade in 2012.
Promotional art for Secret Six (vol. 3) #10 (Aug. 2009) by Daniel LuVisi, featuring (from top) Bane, the Rag Doll, the Catman, Deadshot, Scandal Savage, and Jeannette.
Image: Secret Six 1
The revived Secret Six, in Action Comics Weekly #612 (August 9, 1988). Cover art by Paul Gulacy.