Before adopting the moniker Pierre Boo across digital platforms, the influencer lived as Pierre Amaury Crespeau. He was born and raised in France alongside his two brothers, Arnaud and Giancarlo, and his sister, Marie-Sophie. His parents, Jean-Pierre Crespeau and Virginia Crespeau, raised the family outside Paris, instilling an appreciation for the arts early on.
Boo pursued acting and photography in France long before short-form video apps existed. He worked casting calls, modeled for boutique European brands, and studied performance arts. The transition to international creator status happened when he moved to Los Angeles, California, in 2017. Shifting to an American audience allowed his deadpan humor, expressive reactions, and cross-cultural observations to gain quick traction, establishing him as one of the most visible French-born social media figures in the world.