Peter Pettigrew was killed by his own silver hand, which was given to him by Voldemort as a punishment for his past failures. During the Battle of Hogwarts, when Pettigrew hesitated to kill Harry Potter, his hand turned on him and strangled him to death. This was a fitting end for Pettigrew, who had betrayed his friends and caused much harm throughout his life. **

In the Harry Potter series, Scabbers was able to hide his true identity as Peter Pettigrew for many years due to several reasons. Firstly, Pettigrew was believed to be dead after Sirius Black confronted him, so no one would have suspected him to be alive and disguised as a rat. Additionally, Pettigrew was skilled at concealing his true form and manipulating those around him. Finally, Scabbers was a common pet rat, easily overlooked and not given much attention by others, allowing Pettigrew to remain hidden in plain sight. **

It is difficult to determine if something is a fashion trend without more specific information about what is being referred to. Fashion trends can vary widely and can be influenced by a variety of factors such as popular culture, social media, and celebrity endorsements. Without more context, it is challenging to definitively say whether something is a fashion trend or not. **

No, circumcision is not a fashion trend. Circumcision is a cultural, religious, or medical practice that has been performed for thousands of years in various societies around the world. It is not a passing trend, but rather a deeply rooted tradition with significant historical and cultural significance for many communities. While there may be fluctuations in circumcision rates over time, it is not accurate to categorize it as a fashion trend. **

Yes, piercings are considered a fashion trend. Over the years, piercings have become a popular way for people to express their individuality and personal style. From ear piercings to nose, lip, and body piercings, they have become a common form of self-expression and a way to enhance one's appearance. Many people view piercings as a fashion statement and use them to accessorize and complement their overall look. **

No one noticed that Scabbers was Peter Pettigrew in all the years in Harry Potter because Pettigrew had been presumed dead for over a decade, and his Animagus form as a rat allowed him to hide in plain sight. Additionally, Pettigrew was skilled at concealing his true identity and manipulating those around him. The magical community was also preoccupied with other pressing matters, such as the rise of Voldemort, which may have distracted them from recognizing Pettigrew's true identity. **

No one in the Harry Potter series noticed that Scabbers was Peter Pettigrew because Pettigrew had been living as a rat for over a decade, making it difficult for anyone to recognize him. Additionally, Pettigrew used his Animagus ability to transform into a rat, allowing him to hide in plain sight. Furthermore, Pettigrew took advantage of the trust and innocence of those around him, making it easier for him to deceive everyone, including Harry and his friends. **

In the third Harry Potter movie, "Harry Potter and the Prisoner of Azkaban," Harry did not notice Peter Pettigrew earlier because he had been led to believe that Pettigrew was dead. Sirius Black, who was wrongly accused of betraying Harry's parents, was believed to have killed Pettigrew. Therefore, Harry had no reason to suspect that Pettigrew was still alive and masquerading as Ron's pet rat, Scabbers. Additionally, Pettigrew had been hiding in plain sight for years, making it difficult for anyone to recognize him as a traitor. **