Final answer:
Felix from 'Amigo Brothers' is characterized by his strong determination, shown in his dedication to boxing and maintaining his friendship with Antonio, even when they must compete against each other.
Step-by-step explanation:
An analysis of one of the traits of Felix from "Amigo Brothers" highlights his determination. Throughout the story, Felix demonstrates a strong sense of determination in his approach to boxing and his relationship with his best friend, Antonio. Despite the challenges and the prospect of facing his friend in the ring, Felix remains focused on his training and maintains a positive attitude towards the competition and their friendship.