Carly Diggle is a charcter in the first season of Arrow.
She is John Diggle's sister-in-law from her previous marriage to his brother, Andy as well as his ex-girlfriend. Carly used to be a waitress at Big Belly Burger, acting as John's love interest in the first season. Carly broke up with him after he spent more time vendetta against Deadshot. According to him, he couldn't love Carly while hating Deadshot at the same time