The Multiform Jersey originated in the fog-shrouded Channel Islands where locals reported encounters with a creature that could seamlessly transform between different animal forms, sometimes appearing as a wolf-like beast, other times as a serpentine entity, and occasionally as a winged terror. Ancient manuscripts suggest it evolved this ability as a survival mechanism during the last ice age, allowing it to adapt to rapidly changing environments and predator threats.

The Multiform Jersey possesses cellular memory that enables it to absorb and replicate the physical characteristics of any cryptid it encounters, storing this genetic information indefinitely. It can maintain a transformation indefinitely but requires significant energy to shift between forms, often needing to rest in its native form—a pale, translucent humanoid with reflective skin—after multiple transformations. Unlike mere mimicry, the Jersey actually understands the instincts and behaviors of each form it assumes, gaining insight into the evolutionary connections between seemingly unrelated cryptid species.

The Multiform Jersey serves as the living archive of cryptid evolution, its collective genetic memory preserving the biological history of creatures long thought extinct or transformed. By studying its transformations, cryptozoologists can trace lineages between modern cryptids and their ancient ancestors, revealing surprising connections across geographical and temporal boundaries.