Barbalib, called Barbotine in French and Barbottina in Italian, is among the seven offspring of Barbapapa and Barbamama. Her vibrant orange hue sets her apart visually, with later adaptations adding glasses to signify her intellect. Like other female Barbapapa characters, her default form is a slender blob, and she maintains her facial features and orange coloration during shapeshifting.

Highly intellectual and driven by a passion for reading, Barbalib constantly seeks knowledge and shares educational insights from books with her siblings, sometimes coming across as a know-it-all. She channels this intellect into activism, championing environmental and social causes reflective of the franchise's themes.

Within her family, Barbalib harbors leadership ambitions, sparking clashes with her brother Barbabravo due to their competing desires for authority. Her assertive, occasionally bossy demeanor fuels these conflicts, as seen in episodes like "The Orange Empire" from the 2019 series. Despite friction, she shares a strong bond with Barbabright as the family's intellectual core and maintains affectionate, though sometimes contentious, ties with Barbabelle.

Barbalib wields the innate Barbapapa power of voluntary shapeshifting, transforming into any object or creature while preserving her orange color and face. Her academic prowess spans science, mathematics, and literature, cementing her bookworm identity.

Her character evolves across adaptations: earlier portrayals depict shyness, but newer iterations like *Barbapapa: One Big Happy Family!* (2019) highlight heightened confidence and initiative. This development emphasizes her logical worldview and occasional ego, though her core motivation remains aiding others.

No explicit origin story or aging narrative exists for Barbalib, as Barbapapa children lack defined age progression. Her international names—including Barbabok in Swedish and 巴巴利波 in Mandarin—consistently echo her book-centric persona.