Molder is one of two children to cross into Everlost on Halloween, taking their costume with them. They reside in Mary's towers, and are mentioned in tangent with Skully as a reference to the characters of The X-FilesI series.
Not much is known about Molder except that they crossed on Halloween wearing a zombie-esque costume.
Not much is known about Molder's personality since they are only mentioned, but it can be assumed that under Mary's care they are hospitable.
Molder wears fake peeling skin and green face paint, resembling a zombie or even Frankenstein's monster.
When Skully first meets Allie, the narrator mentions Molder, their appearance, and the two kids' relation to each other. It is revealed that Molder crossed on Halloween, presumably with Skully, as they are the only two children in Halloween costumes.
When Nick coms back with the secrets of the coins in hand, it can be assumed that Molder jumps into the light with the rest of Mary's afterlights.
- Molder and Skully's naming scheme is a reference to the duo of detectives in The X-Files tv series.
- While both Skully and Molder crossed on Halloween, it is unknown if they crossed together and know each other or just crossed on the same day by chance.