Klondike commands the Orpheus Order, an organization fixated on humanity's liberation from divine shackles via brain-enhancing jewelry. Their grand design aims to flood the world with perfected Orpheus rings, unlocking latent human abilities only to establish dominion over the newly enhanced populace. While resentment toward protagonist Kaito simmers among his followers, Klondike's personal history with him remains obscure.

Visually, Klondike cuts a tall, middle-aged figure with brown hair. His eyes remain perpetually hidden behind blue sunglasses, complementing his signature attire: a brown suit, white shirt, and red necktie.

His personality radiates calculated cunning and overt greed, driving a ruthless pragmatism where no method is off-limits to achieve his ends. This aligns perfectly with the Order's quest for global control through neurological supremacy. Klondike masterminds the creation of the pivotal "Final Ring," skillfully manipulating events to ensnare Kaito as an unwitting contributor.

Klondike possesses an extraordinary, near-limitless innate aptitude for puzzle-solving. He instantly achieves proficiency rivaling elite solvers like Kaito during his very first attempt. Despite this formidable intellect, his leadership reaches its terminus when Freecell, a high-ranking Order member, overpowers him in a decisive confrontation marking a key narrative climax.

His character arc is confined to the Orpheus Order's activities within the anime's second season. Details regarding his background before leadership, any substantive evolution following his defeat by Freecell, or his portrayal in supplementary media like films, OVAs, or spin-offs remain undocumented in available sources.