Issue: #418
Last valuation update: 2026-08-03
The Creeper is unable to transform back into his Jack Ryder identity and is being driven insane by Dr. Yatz’s serum. But Yatz’s son Ishmael has the Creeper steal for him, promising to cure him of his condition, and Batman becomes involved with the case as a result. During the premiere of a new movie titled The Stepfather—based on the true story of the 1920s crime kingpin known as Floyd Marcus—prem...
First appearances: Ishmael Yatz
Creators: Dennis O'Neil, John Costanza, Dick Giordano, Julius Schwartz, Neal Adams, Don Heck, Frank Robbins, Irv Novick, Steve Ditko
Characters: Batman, Alfred Pennyworth, James Gordon, Barbara Gordon, Creeper, Ishmael Yatz, Jason Bard