The phrase "interesting characters" refers to people who have unique and captivating personalities, often with distinctive traits or quirks that make them stand out from others. These individuals may possess unusual talents, experiences, or perspectives, which can be intriguing and engaging to those around them. In a broader sense, the term "interesting characters" can also refer to fictional personalities in books, movies, or TV shows that are dynamic, complex, and compelling, adding depth and richness to the narrative.