Hughie was kind, compassionate, intelligent, and timid. After Robin's death, Hughie became more aggressive and desired revenge. He was plagued by anxiety after the traumatic events he endured and frequently experienced small panic attacks. Despite this, he had a strong desire to pursue his goals. Hughie is not comfortable with the lifestyle that he and his teammates lead and does not get used of constantly being in situations where he literally puts his life on the line.