The Green Hornet is an American radio adventure series that debuted in 1936, on WXYZ and introduced the character of the Green Hornet, a masked vigilante. The series detailed the adventures of Britt Reid, debonair newspaper publisher by day, crime-fighting masked hero at night. With his faithful valet Kato, Britt Reid matches wits with the Underworld, risking his life so that criminals and racketeers within the law may feel its weight by the sting of the Green Hornet.