It's only 40 years old so still in copyright, but I think it's fair to argue Goku is a foundational figure in world canon
'Dragon Ball' theme park project near Paris still lacks approval from Japanese rights holders
lemonde.fr
'Dragon Ball' theme park project near Paris still lacks approval from Japanese rights holders
The ambitious project centered on the hero created by Akira Toriyama has not yet secured the necessary licensing, a process that is far from a mere formality.