Percival de Rolo is a fictional character from the web series and tabletop role-playing game Critical Role. He is a member of the Mighty Nein, a group of adventurers in the campaign set in the world of Exandria. Percival is known for his intelligence, inventiveness, and proficiency with firearms, which he uses to protect his friends and fight against various threats. Originally hailing from the noble family of de Rolo in the city of Whitestone, Percival has a complex backstory involving tragedy and revenge. His character is often portrayed as a mix of humor and seriousness, reflecting his struggles with his past and his desire for redemption.