Norman Kingstadt is the chief executive officer of Who's Who Inc., an emerging automobile manufacturer that serves as a rival to the Pinochle company. He is a man in his fifties with pink hair and pink eyes, and his appearance is consistently marked by bold, eccentric high fashion. This striking visual presence, combined with his theatrical and flamboyant demeanor, has made him a frequent figure in mass media.

His personality is defined by a high degree of self-confidence and a self-styled king persona that he projects with dramatic flair. He is often perceived by outsiders as vain and immature, yet those who work under him appreciate his straightforward, honest manner and recognize his capability as a manager. He possesses an insatiable desire for self-improvement and is driven by a long-standing rivalry with Theodore Constantine Pinochle, his childhood friend. Although Theodore largely ignores his efforts, Norman has unilaterally opposed her for years. When he learned that Theodore had begun collecting the X-Playing Cards, he started gathering them himself in direct competition, viewing the collection as another arena for their contest.

Within the story, Norman Kingstadt serves as a supporting antagonist and a recurring obstacle for the High Card team. His company, Who's Who, actively works to undermine Pinochle, and he has assembled a staff that includes his secretaries Blist Blitz Broadhurst and Brandy Blumenthal. The exact nature of his own X-Playing Card ability remains unrevealed in the main narrative, but his motivations are firmly rooted in personal rivalry and an unyielding ambition to surpass Theodore. Despite his antagonistic role, he does not display outright malice; his actions are more oriented toward besting a lifelong rival than achieving any grand, destructive goal. His character remains consistent throughout the series, with no significant transformation, though his persistent drive and flamboyant methods ensure he remains a memorable presence in the conflict over the cards.