Blackgate Penitentiary is the primary penitentiary in which the sane criminals of Gotham City are incarcerated, whereas criminally insane individuals are usually housed at Arkham Asylum.

It makes its first appearance in "You're a Damn Good Cop, Jim Gordon" when King Shark gets sent there while trying to infiltrate Gotham City Police Department. He is later broken out by Harley Quinn.

Known Inmates

Current Inmates

  • Darrell

Former Inmates

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