Denizen
From Jenny Everywhere Wiki
The Denizens were the sentient inhabitants of the artificial environments within the Infinity Train. They were independent beings in most respects, but sufficiently “part of the Train” that they were ontologically prevented from leaving it. One universe's version of the Train was home to a Denizen incarnation of Jenny Everywhere, distinct from the human version who existed on the corresponding Earth. Although she had access to the telepathic network of other Jennies, even she was unable to leave the Train. (PROSE: Shippy Shifter Snippets)
