HP MoR: James Potter, Sirius Black, and Peter Pettigrew were Animagi.

Created by 75th on 2013-09-17; known on 2015-07-01; judged wrong by 75th on 2015-03-10.

• 75th estimated 60% on 2013-09-17
• HonoreDB estimated 10% on 2013-09-19
• DrDiaphanous estimated 85% and said “Why so low? There’s no obvious reason to change this. From what little that we know of them they are still competent wizards. They might have learnt it at an older age perhaps.” on 2013-09-19
• tedks estimated 65% on 2013-10-03
• 75th said “DrDiaphanous, there’s debate as to how much of the canon-Marauders’ backstories Eliezer has made fun of. He certainly has mocked and Jossed Pettigrew living with the Weasleys, but some folks take that even further, to this question.” on 2013-10-16
• 75th estimated 70% and said “Revising upward based on http://75th.me/5e” on 2014-04-23
• player_03 estimated 45% and said “It’s a difficult feat, and the prediction is that all three pulled it off. I’d give an 80% chance that at least one managed it, and maybe a 60% chance that Sirius in particular did so.” on 2014-04-24
• 75th changed the deadline from “on 2015-01-01” on 2015-01-02
• 75th   judged this prediction wrong on 2015-03-10.