Majolica le Fay spearheads the Otogi Bank’s inventive endeavors, devising combat gadgets critical to their missions. Her creations—like Ryoko Okami’s electrified *Neko Neko Knuckles*—prove indispensable yet unpredictable, often malfunctioning or operating incompletely. These recurring flaws cement her self-styled "mad scientist" identity, as mishaps from her experimental devices frequently disrupt operations.

Visually striking, she drapes herself in a flowing black coat and an oversized pointed hat reminiscent of storybook witches. Thick circular glasses with lenses twisted into hypnotic spirals obscure her eyes, completing her arcane aesthetic—a deliberate nod to her Arthurian namesake reimagined in modern form. Beneath the theatrics, subtle hints of conventional allure surface when her signature accessories momentarily shift.

Her demeanor crackles with manic energy, speech peppered by a peculiar cadence and intonation. Between rapid-fire technical jargon, she obsessively clutches lollipops, sucking intently during sugar-fueled brainstorming sessions. This fervor drives relentless tinkering, prioritizing explosive innovation over practical refinement.

Functionally, she operates as the group’s erratic technological pillar, supplying gear without deeper exploration of her origins or aspirations. Interactions remain task-focused, her presence defined by gadget deliveries and chaotic workshop antics, maintaining strictly professional exchanges with teammates.