Satan's Diary

Main Characters and Their Development

• Satan - the main character of the book, who decides to conduct an experiment and live among humans to understand their nature and weaknesses. In the process, he encounters various human vices and virtues, leading him to deep reflections on good and evil.
• Alexei Ivanovich - a young man who becomes the subject of Satan's observation. He undergoes numerous trials and temptations, revealing his internal struggle between moral principles and seductions.
• Maria - Alexei Ivanovich's beloved, who embodies purity and virtue. Her relationship with Alexei is tested, showcasing her resilience and loyalty.