Tim kicked idly at the tall, backlit train schedule sign from his perch a few feet above most people's line of sight. Gotham was great, really. Even the people who looked up just dismissed him as a normal-type anomaly a second later. On with their busy lives.
It wasn't hard to scan for simple details, especially after all his practice, but it still took a couple minutes to pick out the little guy with the lime. He grinned, and whistled with two fingers. A lady herding three kids shot him a dirty look, and two guys talking into their cellphones winced.
"Dude!" He gave a wave to make sure, and then hopped right off. He made it look deceptively easy to not land on anybody, from nine feet up or so.