Sorry for lateness. I finally have internet at my new place.
No, Billy didn't notice the graceful and perfect somersault through the air. Well, that wasn't entirely accurate. He did notice it, but he noticed the swords more. He didn't know of a lot of heroes currently running through the skyline with steel, but he had been concentrating more on his studies lately, so it was possible. Still, it was worth investigating.
With but a thought, he changed direction, backing up toward the rooftop that he'd seen the other figure land on. He had assumed female, but it could have been a very lithe, slim male. Energy flickered and flared about him as he hovered above the roof, the red cloak that he draped around his costume swimming through the air. Every once in a while, small crackles of gold mixed with the normal teal of his energy signature.
"You know, you're a bit pink to be a ninja turtle." Now that he was stationary, he had a better view of the other person. "Also, a bit female..."