Schrödinger's Bat
is a Danny Phantom and Batman crossover where Danny's identity is discovered by a suddenly competent Guys in White and he's forced to flee Amity. Ending up in Gotham, he inevitably runs into the Bat-Family.
- Adaptational Gender Identity: In canon Danny was implicitly cisgendered. Here he's trans.
- Adaptational Origin Connection: Lazarus pits are formed from the ectoplasm of a ghostly king named Lazarus who was killed by Pariah. He was also apparently the first halfa.
- Walker was one of the Guys in White when he was alive in this story, with Talia killing him when he realizes too much of what she's up to.
- Arbitrary Skepticism:
- In this universe ghosts are aware of Batman but absolutely refuse to believe that he's not a ghost himself.
- The Guys in White will willfully ignore any and all evidence that they’re wrong about the nature of ghosts despite living in a universe of magic users, aliens, and more.
- Blue-and-Orange Morality:
- It's brought up a few times that ghosts have somewhat different moral standards than living humans. For example, it's actually encouraged for ghosts who were killed to try and murder their killers, if only to keep them from killing someone else instead of just for plain Revenge.
- The embodiment of the Ghost Zone doesn't get why Vlad would object to killing Dani, even if just temporarily, so she can play with the new halfa, not getting how traumatizing death can be even if you can revive.
- Decomposite Character: Rather than straight-up clones, Dani and the others are instead Gotham kids revived and experimented on by the League of Assassins and Guys in White.
- Eldritch Location: Amity Park is apparently simultaneously in at least Idaho, Illinois, and Ohio, as Jazz, Jason, and Dale remember it as always having been in each respective location, and it's implied to be a Genius Loci due to a line about how it "doesn't like outsiders".
- Genius Loci:
- The Ghost Zone in this story is sapient, and if a halfa sustains enough damage for their Resurrective Immortality to kick in they go and interact with her in a childlike from until they regain enough energy to revive.
- Apparently Gotham is also an intelligent location, to the point that a book mentions ghosts communicating with her for information on Batman.
- There's some evidence that Amity Park is as well, along with its other Eldritch Location traits, as it apparently dislikes outsiders.
- Large and in Charge: Good King Lazarus was, according to Pariah's journal, as tall as three churches. And this is despite the fact that he was apparently a halfa.
- Resurrective Immortality: In this universe, halfas have this power. If they sustain enough damage to their human form they seemingly die, and their consciousness is able to interact with the consciousness of the Ghost Zone itself while their bodies recover their energy. The Ring of Rage is the only known thing that can kill them permanently.
- Superhuman Trafficking: Metahuman trafficking is apparently a serious concern in this universe. The owner of a convenience store Jazz and Jason stop at, who was herself trafficked in the past, actually intervenes with Jazz because she's concerned that the girl is in a similar situation.
