GG: now what would a strapping young celebrity want with an old witch like me??

Headcanon where harley davidson transcends all of spacetime. Jade, Dave, and Rose vaguely remember their alternate selves and manage to contact one another just before they are fated to die. John has already passed away. After grandma Harley is slain, the batterwitch immediately moves on to finish Strider and Lalonde who are meeting at an airport.