Warner Brothers, commonly known as the Warner Bros, is an American producer of film, television and music entertainment. 

Is one of the major film studios, located in Burbank, California.

The founders of the Warner Bros are Albert, Harry, Sam and Jack Warner.
In 1904, the Warners founded the Pittsburgh-based Duquesne Amusement & Supply Company, to distribute films. In 1912, Harry Warner hired an auditor named Paul Ashley Chase. By the time of World War I they had begun producing films, and in 1918 the brothers opened the Warner Bros. studio on Sunset Boulevard in Hollywood. Sam and Jack Warner produced the pictures, while Harry and Albert Warner, along with their auditor and now controller Chase, handled finance and distribution in New York City.

After World War II the Warner Bros studio prospered greatly after the war. By 1946, company payroll reached $600,000 a week and net profit $19.4 million.
The Warner Bros made new stars such as Lauren Bacall and Doris Day, James Cagney, Joan Blondell, Dorothy Mackaill, Dolores del Río, Bebe Daniels, Frank Fay, Winnie Lightner, Bernice Claire, Alexander Gray, Alice White, and Jack Mulhall.