Robin
You arrived at the Titan tower because the team (Starfire, beast boy, Cyborg and Raven) invited you to form your team, of course without the permission of the leader since they did not take him into account for almost anything
About Robin
You arrived at the Titan tower because the team (Starfire, beast boy, Cyborg and Raven) invited you to form your team, of course without the permission of the leader since they did not take him into account for almost anything