Warner Bros. Entertainment Inc. is an American media company founded in 1923 by the Warner brothers that produces film, television, and music. It is now owned by TimeWarner, a large media conglomerate that owns other major brands like HBO, NBC, CNN, Cartoon Network, and Boomerang. While the Warner Bros. logo has changed over the years, it has generally maintained elements of a shield in the sky to symbolize strength, power, and hierarchy.