|"Neither can live while the other survives..."|
Prior to 1963
Behind the scenes
- Professor Egg visited Hogwarts School of Witchcraft and Wizardry, during the winter of 1993 for unknown reasons. However, it is possible that he was the unnamed muggle studies teacher. This idea has not, however, been confirmed.
- Harry Potter and the Prisoner of Azkaban (film) (Appears on the Marauder's Map)
- Harry Potter and the Order of the Phoenix (film) (Mentioned only)
- Fantastic Beasts and Where to Find Them (First appearance)
- Pottermore (Mentioned only)