Cypher is a corporate spy with hypnotic abilities, which has made him an enemy to Batman and Robin. He is able to mesmerize people using his hypnotic voice. This usually means putting them to sleep, but he can gain full control of his victims in special circumstances. Cluemaster killed him when they had a disagreement and Cypher tried to use his powers on Cluemaster. Cypher was created by Chuck Dixon and Michael Netzer, first appearing in Detective Comics #657. (1993)
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