Patronus Charm

A patronus is something with a happy memory that you choose

Wizards	Patronus	House	School	Family who they lived with
Severus Snape Lily J. Potter	Doe	Slytherin (Snape) Gryffindor (Lily)	Hogwarts School of Witchcraft and Wizardry	Tobias and Eileen Snape
James Potter I Harry Potter	Stag	Gryffindor	Hogwarts School of Witchcraft and Wizardry	Potter family
Arthur Weasley II	Dobermann