What American Born Chinese which characters serve as round characters?

In "American Born Chinese" by Gene Luen Yang, the characters Jin Wang and the Monkey King serve as round characters. Jin Wang experiences significant personal growth and struggles with his identity as a Chinese American, navigating the complexities of cultural assimilation and self-acceptance. The Monkey King also undergoes transformation, grappling with his desire for acceptance and ultimately learning the importance of humility and understanding. Their multifaceted personalities and development throughout the story make them richly layered characters.