Novel variants of clade 2.3.4 highly pathogenic avian influenza ... by Gu, Min; Zhao, Guo; Zhao, Kunkun; Zhong, Lei; Huang, Junqing; Wan, Hongquan; Wang, Xiaoquan; Liu, We / Emerging Infectious Diseases.
Sometimes a dynamic character is called a developing character. Flat Character A character who reveals only one, maybe two, personality traits in a story or novel, and the trait(s) do not change.
1. the aggregate of features and traits that form the individual nature of a person or thing. 2. one such feature or trait; characteristic. 3. moral or ethical quality: a woman of strong character. 4. qualities of honesty, fortitude, etc.; integrity.