

However, she was actually created for by DC Comics in 1964 in order to create a rationale for Bruce and Dick to maintain the secrecy of their dual identities within Wayne Manor. The 1960s were still a time marked by homophobia to a degree.

She has met Batman and Robin several times, never realizing their true identities, even once saving the Caped Crusader from a marriage to Marsha, Queen of Diamonds with help from Alfred. She has often been threatened or taken hostage by local criminals from Gotham City, such as the Joker and Penguin. She is a huge fan of Chandell, although she is unaware of his criminal proclivities.

While living there, she has become close friends with Bruce's manservant Alfred, becoming completely unaware of their crime fighting lifestyle. She lives at Wayne Manor with Bruce Wayne, having been invited to live there with Bruce's permission. Harriet Cooper is the maternal aunt of Dick Grayson, becoming his moral and cultural compass in his teenage years. She is also possibly the last known biological relative of Dick Grayson. Aunt Harriet Cooper is a Gotham City socialite and member of several local ladies charities.
