This is an image from Doctor Goku.
Nappa gets an ask about if Goku ever gets royalties because of all the dbz merch that is selled.
Nappa answers something like this: "Fucking Kakarot, he's shiting money. You see him with polyester pants and all. But he knows how it works, he has millions to clean his ass. He acts all humble, but fucking Goten and Gohan go to interstellar colleges. Fuck Harvard.
Also Vegeta, he married that rich woman and ALSO the royalties. And one here, literally on hell, burning the ass, working for nothing"
And that image is showed. I just love that picture