Tigra (Greer Grant) is a fictional American comic book superheroine in the Marvel Comics universe. Introuced as the non-superpowered crime fighter The Cat in Claws of the Cat #1 (Nov. 1972), she was co-created by writer-editor Roy Thomas, writer Linda Fite, and penciler Marie Severin. She mutated into the superpowered tiger-woman Tigra in Giant-Size Creatures #1 (July 1974), by writer Tony Isabella and penciler Don Perlin.