Why Does Johnny Depp Go by “Steve” in Amber Heard’s Phone?

Could the name Steve also be a reference to a role Johnny has held at some point in his career? It’s a fair question, but that doesn’t seem to be the case. As it stands today, Johnny has never taken on a character or role with the name Steve. He’s been Detective Tom Hanson, Edward Scissorhands, Sam, Gilbert Grape, Ed Wood, Donnie Brasco, and Willy Wonka — but as far as we’re aware, no Steves! The nickname Amber had for him appears to be completely unrelated to his own personal acting résumé.