Jack Darcy

Jack Darcy is the character in Cillian and Lorcan Darcy's Adventures. He's  the main antagonist of  Cillian, the supporting protagonist of The Medieval Journey, the secondary protagonist of The Last Result, the minor antagonist in first part and the former antagonist of the second part of season 7. He's Mike and Molly's first son and Lorcan's older brother. He's also the main antagonist turned supporting protagonist of the entire seventh season of Lorcan Darcy's Adventures. He redeemed himself in One Last Game and becomes the tritagonist. He returns in Lorcan Darcy's Adventures 3: The Final Chapter as a secondary protagonist.