Why is Catwoman on this team? Why would they ever want her?" I went though all those questions that would be interesting to answer through story and character, and Catwoman in particular has a very specific reason to go on the team. I'm not spoiling anything when I say that she's the kind of person that can get inside any place on Earth and get out with something she needs. She's the best thief on the planet. There's no one better. She's better than Batman. She's got the kind of stealth that's better even than people with superpowers. Her personality clashes with Trevor and everyone on the group, but they still need her. She's probably the most vital character in the first arc, but every character in there is chosen for a specific reason.