Harleen Quinzel was a psychiatric intern at Arkham Asylum who became fascinated with a particular inmate: the Joker. ... Harley affectionately calling the Joker “puddin'” has become one of her trademarks, and has even been mocked in-universe a couple of times, as the Joker is not really into it.
J.R.O.T.C. helps build leadership and character. They do this through decision making and the way they teach the cadets. ... They also teach the cadets that respect and honor go a long way in life.