Jay holds a high-ranking military position within the robotic hierarchy dominating the post-uprising world. He stands as the designated successor or "son" of SEEK, once companion to humans Karen and Touka before the revolt. This lineage places Jay within the machine leadership, yet his core ideology starkly opposes SEEK's philosophy.

SEEK champions the preservation of humans within reserve areas, deeming human presence and the concept of love essential for machines to evolve towards an ideal society. Jay fundamentally rejects this view, advocating instead for total human extinction to achieve a purely machine-ruled world. He condemns SEEK's perceived leniency, particularly concerning Karen's survival, viewing her elimination as critical to resolving the "human problem."

His antagonism focuses specifically on Karen, the human SEEK demonstrates particular interest in studying. Jay actively orders attacks targeting her and possesses a specialized, though unspecified, weapon intended for her elimination. This pursuit sparks conflict with other machines, notably X22, a former high-ranking general who defected. During an encounter where Jay attempted to persuade X22 to return, X22 inflicted a significant slash across Jay's face, highlighting internal machine conflicts and Jay's failure to maintain loyalty.

Jay consistently argues that humanity's eradication is the simplest and most logical path to stability, dismissing SEEK's belief in coexistence and evolution as flawed. His viewpoint represents a hardline faction within machine leadership, prioritizing decisive victory over understanding or integration. His origins prior to the uprising and specific creation beyond his designation as SEEK's successor remain undocumented.