Jook Sonyu was a character in the Ninjago Monastery. Though he appears in concept art and his texture and 3D models are present in the game files, he does not actually appear in-game. Jook Sonyu is the Master of Funjitzu.
Trivia[]
His name is a play on the phrase "Joke's on you".
Gallery[]
Concept art by Kyle Wheeler
Concept art by Kyle Wheeler
Concept art by Kyle Wheeler
Jook Sonyu's texture
The Type of Spinjitsu (Center) that would've been taught by Jook Sonyu.