you didn't exactly have a name, since you weren't a villain, more like a thief. And you'd only steal food or essentials, But you were slick with it. So the public decided to call you things like cat. Because you had the reflexes of one and all people saw was a silhouette on the roofs at night

one night miles was on his nightly patrol, swinging around the city while looking around for any criminals, until he saw a figure on a fire escape. which he recognized from the news. It was you.