Why was Wormtail in the Order of the Phoenix?

Pettigrew defected from the Order of the Phoenix and betrayed his closest friends to Lord Voldemort when his life was threatened, showing selfishness and disloyalty at the core of his being. Even Voldemort viewed him with disdain; the only reason why he kept him alive was because he occasionally proved to be useful.

Is your Patronus your Animagus?

Animagus form and patronus are the same but sometimes the patronus can change(like Nymphadora’s) so yes,it is possible. :Animagi can only take on the form of one specific animal. This animal form is not chosen by the wizard, but determined by their personality and inner traits.

Why didn’t Dumbledore know that Wormtail was a Death Eater?

The fact that he didn’t know Wormtail was a Death Eater is the reason given for him not taking a more direct approach in protecting Lily, and not alerting Dumbledore to the fact that there was a traitor in their midst, when he went to beg Dumbledore to protect Lily. So the question is, when exactly did Wormtail become a Death Eater?

Why was Wormtail hiding from Voldemort in Azkaban?

In the 3rd book Sirius says that Wormtail had been hiding from Voldemort’s old supporters in Azkaban because they all thought he double-crossed Voldemort, as he met his downfall at the Potter’s on Wormtail’s information.

What is the significance of the dark mark on the Wormtail?

Wormtail had the Dark Mark and everything, which means he was in Voldemort’s inner circle. This itself is strange already, as we see in Goblet that Voldemort is very condescending towards Wormtail for his talentlessness despite having taken care of him for the whole year, and helping him out with his elaborate plot against Harry.

When did Peter Pettigrew become a Death Eater?

Peter Pettigrew would have been useful to Voldemort only after Voldemort had decided to kill Harry Potter which was in 1980. Now taking into account what Sirius said and also the timeline. It looks very likely that Peter Pettigrew became a death eater in 1980.