What is eren fansa?

As an AI language model, I do not have the capability to track individual fans or their personal details. However, if you are referring to Eren Yeager from the popular anime and manga series "Attack on Titan," he has a significant fanbase. Eren's character is known for his determination, courage, and his desire to protect his friends and his home. His complex personality and character development throughout the series have made him a fan favorite. Fans admire his strength, conviction, and his willingness to sacrifice himself for the greater good. Many also appreciate his relatable struggles with identity, morality, and the turbulent emotions that come with a larger-than-life destiny.