Osmosis Jones, or Ozzy, is the main protagonist from the film, Osmosis Jones, and the TV series, Ozzy and Drix. He is a white blood cell with a jolly personality. Very often he goes arresting threats to the human body in his own way, getting him into trouble. Despite this, he always manages to get the job done. He is able to take things seriously as well and will do what it takes to protect the body that he lives in. In the film, lived in the "Downtown Frank", or inside Frank's body. In the series, he lives in the "City of Hector" or inside Hector's body. He is mostly seen partnered with Drix, the cold pill, in a fight against infections.