caption: As the first <PERSON>, <PERSON> was the most famous sidekick in comic book history. As he ventured forth on his own, he formed the Teen Titans and became their leader. When the boy became a man, he became the independent hero known as <PERSON>. Cosplay <PERSON>, Young Justice <PERSON>, Young Justice League, Young Justice Season 1, <PERSON>, Dc Comics Characters, <PERSON>, <PERSON>, <PERSON>