Streaky the Super-Cat is Supergirl's pet cat who gained incredible powers through exposure to X-Kryptonite; such as flight, super-strength, super-speed, invulnerability, and enhanced vision abilities. His distinctive mark is a lightning bolt in his fur running along both sides. He's also a member of the Legion of Super-Pets, alongside other super-powered animals such as Krypto, Beppo and Comet.

Streaky was created by Otto Binder and Jim Mooney, first appearing in Action Comics #261. (1960)

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