Oozora Subaru is a Virtual YouTuber under the Hololive agency known for her extroverted and tomboyish personality. Despite facing significant life challenges including a congenital heart condition, a car accident, and a house fire that motivated her to join Hololive, she maintains an optimistic and hardworking attitude. She is famous for her duck-related in-jokes, particularly her Donald Duck impersonations during ASMR streams and her signature catchphrase 'shuba shuba shuba.' In group settings, she typically plays the role of a straight man, pointing out the absurdity of others' actions while maintaining her ability to smile and joke. Her 3D model debut notably featured her as a white duck wearing her signature baseball cap, cementing her association with duck imagery within the community.