Original sentence: Other prominent antagonists include Marcello, Angelo's jealous and power-hungry half-brother who seeks to prove himself better than his sibling, and Prince Charmles, the greedy and pompous heir to the throne of Argonia, and Medea's betrothed
Edited sentence: Other prominent antagonists include Marcello, Angelo's jealous and power-hungry older half-brother who seeks to prove himself better than his sibling, and Prince Charmles, the greedy and pompous heir to the throne of Argonia, and Medea's betrothed