Liz Allan was a classmate of Peter Parkers. She first appeared in Amazing Fantasy #15 (1962) but remained unnamed until Amazing Spider-Man #4 (1963).
Liz Allan attended Midtown High with Peter Parker and at first dated Flash Thompson. At first Liz thinks of Peter as a loser and ridicules him on a daily basis. Later, Liz hears that an ailing Peter has donned his Spider-Man costume to fight Doctor Octopus and develops a crush on him. However, Peter notices that Liz didn't start liking him until he started dating Betty Brant. Sometime later, Peter and Liz graduate from high school and at graduation Liz admits her feeling for Peter, and says that she has come to accept that they are unrequited.