Harriet Cooper (Earth-66)

Aunt Harriet Cooper was the maternal aunt of Dick Grayson.

Biography
Harriet Cooper is the maternal aunt of Dick Grayson, becoming his moral and cultural compass in his teenage years. She lives at Wayne Manor with Bruce Wayne, having been invited to live there with Bruce's permission. While living there, she has become close friends with Bruce's manservant Alfred, becoming completely unaware of their crime fighting lifestyle. She is a huge fan of Chandell, although she is unaware of his criminal proclivities. She has often been threatened or taken hostage by local criminals from Gotham City, such as the Joker and Penguin. 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.

Trivia

 * William Dozier claimed that the character was created for the TV series to prevent Bruce Wayne and Dick Grayson from appearing to be gay lovers.