The biggest well-known companies:

• DC Comics (Superman, Batman, Wonder Woman, and many others)
• Marvel Comics (Spider-Man, the Incredible Hulk, the X-Men, and many others)
• Disney (Mickey Mouse, Winnie the Pooh, The Little Mermaid, and many others)
• Warner Bros. (Looney Tunes and many others)
• Hanna-Barbera (The Flintstones, Scooby-Doo, The Jetsons, Tom and Jerry, and many others)

and many more.