In certain comic arcs, Thor is depicted with an eyepatch. This is often part of his character's evolution or due to specific events within the comic universe.
An eyepatch on the left in stories could imply that the character is trying to protect their left eye for some reason. It might also be a fashion statement to make them look more intriguing or tough.
I'm not entirely sure specifically as there could be many different interpretations in a 'Naruto the demon wolf' fanfic. It might be about a new character that is a demon wolf in the Naruto universe, perhaps with unique powers and a story arc that involves interactions with the main Naruto characters like Naruto, Sasuke, etc.
After the Qing Emperor took off Wu Zhu's blindfold, he discovered that Wu Zhu was not a real human, but a robot with feelings. The Qing Emperor suddenly realized that the reason Wu Zhu could be compared to the Qing Emperor, a Great Grandmaster, was because he was a robot with extremely fast computing power. That was why he said," I see." The Qing Emperor had always hidden his true strength during the years of the Qing Dynasty, and Wu Zhu's identity had always been a mystery.
The lone wolf's appearance can be developed first. For example, give them a distinct look with a unique ninja outfit, maybe something with a wolf - like motif. Their skills should also be different from the common ninja. They could have a special ability like shadow manipulation or enhanced senses like a real wolf.
One great Naruto fanfiction is 'A New Path'. It takes Naruto on a journey where he discovers new jutsu and forms unexpected alliances. Another good one is 'Naruto: The Hidden Power' which delves deeper into Naruto's family heritage and how it could have influenced his powers in different ways. And 'Naruto's Ascent' is also worth reading as it shows Naruto rising to new heights and facing challenges that are not in the original storyline.
His naivete often makes him cute in fanfiction. He might believe in the simplest solutions to complex problems, like thinking a big hug can solve all disputes between villages. This simple - minded yet pure approach is really charming.
I'm not sure about specifically popular 'naruto the demon wolf fanfic' stories. There are so many fanfics out there that it's hard to single out ones with this exact theme as being particularly popular. You could try searching on fanfic platforms and looking at the reviews and ratings to find out.
One possible plot could be that Naruto is cursed by a powerful enemy. This curse transforms him into a wolf. As a wolf, he has to adapt to his new form. He might discover new abilities like enhanced speed and sense of smell. His friends initially don't recognize him and he has to find a way to communicate with them. Eventually, he goes on a journey to find a way to break the curse.