Sirious is Harry's godfather. Also he is in the marauders.
The rat escapes.
Sirius Black is Harry's godfather. Ron's rat is the bad guy. Lupin is a werewolf.
The prisoner they fear is actually the good guy. The pet rat is the servant of the Dark Lord
Sirius is good!
Sirius Black is Harry's Godfather
Pettigrew, Black and Lupin were Harry's father Best friends