The following factors could be considered when naming the protagonist: 1. Personal characteristics: The protagonist should have his own unique personal characteristics such as intelligence, kindness, wit, courage, etc. According to these characteristics, names such as " Brave and Wise,"" Smart Beauty,"" Kind Prince," and so on could be given. 2. Storyline: The protagonist should have his own unique storyline in the story. You can consider using his name as the theme, such as "Love Magician","Campus Madman","Genius Girl", etc. 3. The combination of surname and first name: The protagonist can have a surname and a first name. You can consider combining these two factors to give names such as "Zhang Zhiyong","Li Jiechi","Wang Yongyong", etc. 4. Commonly used names or alphabets: If you want the protagonist's name to be more concise and easy to remember, you can consider using commonly used names such as "Xiao Ming","Xiao Hong","Xiao Qiang" and so on. 5. A creative name: You can also consider some creative names such as " Prince of Love,"" Campus Madman,"" Genius Girl," etc. Names are things that require careful consideration. You can choose names according to your preferences and storyline. I hope my suggestions will be helpful.