Barbazoo is a bright yellow male member of the Barbapapa family, one of the seven children born to Barbapapa and Barbamama. His default form resembles a smaller version of his father's blob-like shape, featuring a distinct head and arms but no legs. He shares the family's inherent ability to shapeshift into any form while retaining his yellow color and facial features.

His personality centers on a deep connection to nature and animals. Barbazoo is an animal lover and dedicated protector of the environment, often shown caring for creatures and expressing distress over ecological threats like pollution. Though characterized as shy, timid, and sometimes struggling to assert himself, he remains committed to helping animals in need. He possesses significant knowledge in natural sciences, with expertise in flora, fauna, and climate, leading him to a cautious skepticism toward scientific experiments that could harm nature, particularly those conducted by his brother Barbabright.

Within the family structure, he has brothers Barbabravo (red), Barbabright (blue), and Barbabeau (black and furry), and sisters Barbalala (green), Barbabelle (purple), and Barbalib (orange). The children emerged as distinct individuals with unique colors and personalities after hatching from eggs planted in the ground. Barbazoo consistently fulfills the role of the family's nature enthusiast.

His actions consistently emphasize environmental stewardship. He is sensitive to ecological issues, frequently intervening against problems like pollution and advocating for animal welfare. Storylines highlight his direct opposition to threats against natural habitats and his concern over human activities disrupting ecosystems. His scientific understanding of nature directly informs these protective actions, reinforcing his identity as the family's ecological conscience.