Harriet Cooper is the aunt of Dick Grayson, who lives with her nephew in Wayne Manor, unaware that young Dick and his guardian Bruce Wayne are secretly the heroes known as Batman and Robin. She is mostly responsible for Dick's academic performance and is only concerned about his education.

Harriet had a husband named Walt who died after getting swept away in rapids while on a fishing trip and was never seen again. [2]

As one of the closest persons to Batman and Robin, Aunt Harriet was casually endangered by some of Gotham City's supercriminals. She was once kidnapped by Zelda the Great as part of a scheme to demand a large sum of ransom money. She was rescued by Batman and Robin.[3]



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