In Season 1, Episode 1 of Lego Ninjago, when we meet Lloyd Garmadon, he is wearing a skull hoodie with a green 5 on it. This is foreshadowing that he will become
Lego Ninjago: Lloyd vs. Lord Garmadon (Paperback) - Walmart.com
Ninjago Lloyd Garmadon
Lloyd Garmadon (The Island, Mask + Hair) - LEGO Ninjago Minifigure (20 – The Brick Show Shop