When his world began to die, as all worlds in the Dark Multiverse do, he was rescued by the mysterious Perrus the Benevolent, and joined his "Unseen"--a collection of misfits from dead worlds, all protected by Perrus, in exchange for feeding him their life-energy.
- Olsen was inspired by the werewolf transformation Jimmy Olsen went through in Superman's Pal, Jimmy Olsen #44.
- 6 Appearances of Olsen (Dark Multiverse)
- 2 Images featuring Olsen (Dark Multiverse)
- Quotations by or about Olsen (Dark Multiverse)
- Character Gallery: Olsen (Dark Multiverse)