Bernard Cherbourg is the father of Sophia Cherbourg and husband of Rosary Cherbourg. He owns and operates the Cherbourg family bookshop, located directly beneath their residence. Bernard is an intellectually honest and diligent businessman who operates the bookstore with integrity and responsibility. He maintains a stable, harmonious marriage with Rosary.

After Sophia initially conceals the Sugarbunnies, Bernard discovers them when they are accidentally revealed to the townspeople, encountering the creatures within the family premises and questioning their presence. Despite the surprise, he accepts the Sugarbunnies and supports their integration into the community.

Bernard's role centers on his family life and managing the bookshop, reflecting his commitment to both household and business. He is a dependable and supportive parent, contributing to the stable environment that enables Sophia to pursue her aspirations in pastry-making alongside the Sugarbunnies.