Popeye the Sailor, created by Elzie Crisler Segar, is now public domain. Popeye is among a slew of 1929 characters and works, ...

but Popeye wasn't associated with spinach until much later in 1932. According to Jenkins, only the original 1929 versions of Popeye and Tintin will be public domain for now. "The spinach ...

Popeye’s very first iteration, who didn’t eat spinach to gain strength, is now free to copy, share, and adapt.