"Well. Because they're comic book characters in my universe!" First Aid laughs, rubbing his face with his free hand. "They're completely fictional -- and my brother Streetwise has been collecting every Batman comic he can find for the last twenty years, oh my god. His face when I make it back home and tell him I actually met someone from a real version of Gotham City..."

He giggles again, just a little hysterically. "I wonder if it would break space-time if I told you what Batman's secret identity is."