So many Jacks to think about now in 7 Stones.
Now which one of these dueling dudes is Jack? questioned apparent town leader Woody in his head.
Oh yeah: both of ’em.
And Jean Fade even indicated perpetually digging Salazar is a Jack as well, owner/creator of an ancient mythology detailing where Linden (Lime) World and World of Lemon originally split off from each other, one going forwards and the other heading backwards in space/time.