Sirius Black.

Sirius Black, James Potter, Remus Lupin and Peter Petigrew. Padfoot, Prongs, Mooney, Wormtail, The Same People. But Names People don't know. They are The Marauders. Making a map that shows the entire castle can take up a lot of time but not for them. Follow the story as: One battles against a transformation they cannot control. One tries to persuade a girl to love him. One Searches for love in some way. One is hidden in the background. Not even a map that shows all the secrets, Can reveal every secret.