Beware the Creeper is an episode from season four of the animated television series The New Batman Adventures. It marks the first filmed appearance of The Creeper, created by Steve Ditko.
Jack Ryder, anchoring a live TV special on the career of the Joker from the very factory where the Joker had his life-changing encounter with a vat of chemicals, is interrupted by the Joker himself, who doesn't appreciate the attention. The Joker doses Ryder with his trademark lethal laughing gas and then, to distract the newly arrived Batman and Robin, pushes him into the same vat of chemicals. The gas and the chemicals react strangely; Ryder survives, but is transformed into an extraordinarily strong and agile maniac with yellow skin, green hair, and a rictus grin, who helps Batman and Robin apprehend the Joker and his gang, both in revenge for what Joker did, and also because he develops an intense attraction to Harley Quinn. Although his mania is benign, his methods are so extremely wild and...
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