Gaga is a male character distinguished by vivid orange eyes and lengthy gray hair cascading beyond his hips. His features include a prominent facial mark and a lack of eyebrows. He joins Cube and Chawoo in a "Fantastic Voyage" narrative, where they miniaturize to infiltrate the body of Balizan, a patient in critical need of medical intervention. The trio navigates complex biological systems to deliver a cure, working in tandem with allies to overcome challenges within the microscopic environment.