Robin couldn't reveal his identity, Starfire, Cyborg and Beastboy couldn't hide. Raven could live a normal life, but she wasn't interested. So they didn't bother with secret identities, or about having two seperate names. They never asked about eachothers life before the titans, and so it was easy to forget.
So when Jericho came into the room, wearing a band shirt and paint splattered jeans, it took them all by surprise.
"Jericho?"
The mute shook his head with a silent laugh, gesturing to his outfit before signing. Joseph
They suddenly remembered there could be a life outside of fighting crime.