Warner Bros. Entertainment Inc. (commonly known as Warner Bros.[a] and abbreviated as WB) is an American diversified multinational mass media and entertainment conglomerate headquartered at the Warner Bros. Studios complex in Burbank, California, and a subsidiary of AT&T's WarnerMedia through its Studios & Networks division. Founded in 1923 by four brothers Harry, Albert (Abe), Sam, and Jack Warner, the company established itself as a leader in the American film industry before diversifying into animation, television, and video games, and is one of the "Big Five" major American film studios, as well as a member of the Motion Picture Association (MPA).
The company is known for its film studio division, the Warner Bros. Pictures Group, which includes Warner Bros. Pictures, New Line Cinema, the Warner Animation Group, Castle Rock Entertainment, and DC Films. Among its other assets include the television production company Warner Bros. Television Studios; animation studios Warner Bros. Animation and Cartoon Network Studios; comic book publisher DC Comics; video game development and publishing arm Warner Bros. Interactive Entertainment; cable television channels Cartoon Network, Adult Swim, Boomerang, and Turner Classic Movies; and a 50% interest in broadcast television network The CW, which is co-owned with ViacomCBS. Warner Bros. also operates various divisions specializing in publishing, merchandising, music, theater, and theme parks. Bugs Bunny, a cartoon character created as part of the Looney Tunes series, is the company's official mascot.