TV Line has confirmed that The CW is currently casting for an “introverted, moody and naturally athletic” Australian teenager which is obviously a sign that Oliver will be keeping his season 5 finale promise to Slade to help him find his son. But will it be Joseph or Grant Wilson that they find?
In the pages of DC Comics, Grant is the oldest of Slade's three children and the first to adopt the Ravager nickname before the more popular Rose Wilson. But with Summer Glau previously playing a version of that character in season 2, many fans are speculating that it will be Joseph Wilson aka Jericho that Slade and Oliver find. The character is a Teen Titans ally/antagonist who was rendered mute due to an attack by one of Deathstroke's many enemies.
Jericho possesses the ability to project his consciousness into another body but given Arrow's return to street-level heroes and villains, it's questionable whether the show would opt to depict such an ability. Also of passing interest is the fact that Jericho's inclusion would mark the second mute superhero to debut this upcoming fall season after The Inhumans' Black Bolt.
Whether it ultimately turns out to be Grant or Joseph that the Lian Yu dynamic duo find will likely remain a mystery until an official casting announcement is made.