Baymax is a fictional character from the animated film Big Hero 6, produced by Walt Disney Animation Studios. He is a healthcare companion robot designed to assist with medical needs and provide comfort to patients. Baymax is inflatable, soft, and has a friendly demeanor, making him approachable and non-threatening. In the film, Baymax is created by Hiro Hamada's late brother, Tadashi Hamada, to help people in need. After a tragic event, Hiro teams up with Baymax and a group of friends to form a superhero team, using their skills to combat a mysterious villain.