Poomo, a fairy once in service to Princess Grace—legendary savior of the Sunny Kingdom—later becomes the steadfast guardian of twin princesses Fine and Rein. His distinctive appearance includes white fur, luminous purple eyes, oversized ears, and a long tail crowned with a glowing orb, complemented by perpetually pink cheeks. He dons a pointed blue hat embroidered with an orange sun and a magenta jewel, paired with a purple bow tie, blue star-shaped earrings, and a tuft of blond hair peeking beneath his hat.

Initially presented as the princesses’ “pet,” Poomo embodies loyalty, kindness, and a solemn demeanor. He navigates Fine and Rein’s impulsive antics with practiced patience, often reiterating guidance or responding to their childishness with subtle eye-rolls. Though occasionally vexed, his devotion never wavers: he repeatedly risks his life to shield them, even undergoing rigorous self-training to bolster his reliability. This effort inadvertently mends a rift between the twins, underscoring his role as their anchor.

A defining moment arises in the first series’ finale, where Poomo nears self-sacrifice to rescue the twins from the Black Crystal’s corruption, proclaiming their happiness as his sole purpose. Princess Grace and the final Grace Stone intervene to preserve his life, cementing his permanent place alongside Fine and Rein. As the twins mature, achieving unparalleled Princess levels, Poomo gradually learns to trust their burgeoning capabilities, mirroring his own growth in faith.

Skilled in cooking, sewing, and piloting, Poomo compensates for the princesses’ ineptitudes—his culinary finesse, starkly contrasting their kitchen disasters, draws widespread admiration. His speech carries a unique cadence, punctuating sentences with “de pumo,” blending mentorship with wry humor. Though rooted in unwavering loyalty to Grace and later the twins, his role remains steadfast across subsequent tales: a guardian whose quiet snark and unyielding support balance their chaos with stability.