Betty Boop with her dog Pudgy, ca. 1934-36. Everett Collection Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment Betty Boop and Blondie are joining Mickey Mouse and Winnie the Pooh in the public domain. The first appearances of the classic cartoon and comic characters are among the pieces of intellectual property whose 95-year U.S. copyright maximum has been reached, putting them in the public domain on Jan. 1.