Elzie Crisler Segar, known by the pen name E. C. Segar, was an American cartoonist. He created Popeye in 1929, introducing the character in his comic strip Thimble Theatre. Charles M. From Wikipedia
Beloved characters like Tintin and Popeye, along with major works by Hemingway, Ravel, and Hitchcock, are now freely available for use after 95 years of copyright protection.