* Complex and Evolving: Jin faces a constant internal conflict between his desire to fit in with his American peers and his family's cultural expectations. He undergoes significant growth throughout the story, learning to embrace his Chinese heritage and identity.
* Multiple Layers: He's not just a stereotypical "shy, awkward teenager." He's also intelligent, resourceful, and capable of great courage. His experiences with bullying, love, and the Monkey King journey reveal different facets of his personality.
* Motivations and Flaws: Jin's desire to fit in and his fear of being different drive his actions, but he also makes mistakes and learns from them.
* Change and Development: Jin's transformation throughout the story, from feeling ashamed of his Chinese heritage to embracing it, demonstrates his dynamic and evolving nature.
While other characters like Danny and the Monkey King also undergo some development, Jin's arc is the most pronounced and complex, making him the clear example of a round character in American Born Chinese.