Valentine Wolfe is a descendant of Pickles the DrummerWhich is how Wolfe acquired some of the unique aspects of his constitution. It wasn't all acquired from a careful program of hard-core debauchery.
Wizards of the Lost Kingdom takes place in the same universe.The prologue for W.o.t.L.K. is entirely of footage from Deathstalker, whose real name is actually Tylor. Using one of the three Powers to destroy another has serious consequences. Instead of simply making them disappear, he caused the sword to be transported somewhere far away, and the goblet and amulet to fuse together into the wizard's magic ring.