Josh and S.A.M.

12-year-old Josh Whitney unintentionally Mind control his younger brother, 7-year-old Sam, making him believe that he was a genetically designed child warrior. Josh says that Sam is actually an acronym, and that he is a "Strategically Altered Mutant" that was designed by the government to fight in a secret war in Africa. After a series of various suspicious coincidences in Josh's lies, Sam eventually believes that he is a S.A.M.