Superman
>All-powerful invincible man in the spotlight that everybody scrutinizes and resents
>"Yeah, he saves people, but he should do more!"

Goku
>All-powerful invincible man who nobody really knows about at all
>Only intervenes during "planet destruction"-level events
>"Strongest guy on Earth? That's definitely Mr Satan!"

It's interesting how Goku dodges all the "great power, great responsibly" stuff. 99% of the time, he's just training and fighting for the rest of it, living his best Saiyan life.