Narcist Dandy operates as a primary antagonist under Don Genosai, forming a comedic villain duo with Pheromone Lip to obstruct protagonist Lamunedo's progress. Serving as a priest within the Kira Kira temple hierarchy, he executes missions to block Lamunedo from confronting Don Genosai and prevent the resurrection of the demon god Abraham.

His antagonistic tactics feature unconventional weapons, including a mind-swapping gas that exchanges consciousnesses within Lamunedo's party. He aims to hijack their mecha by exploiting the resulting confusion, though this plan fails when the heroes' allies reverse the gas effects. Following Abraham's awakening within the original Lamuness's body, Narcist Dandy and Pheromone Lip shift allegiance to serve Abraham's advisor BQ directly.

Narcist Dandy later undergoes a Heel–Face Turn alongside Pheromone Lip, transitioning from antagonist to ally. His redemption culminates in a decisive sacrificial act against the primary threat, aligning with the heroes' confrontation against Abraham. Information regarding his background prior to serving Don Genosai or his activities after joining the protagonists' side remains undocumented.