Originally posted by StiltmanFTW
You're forgetting that pre-Z martial artists were superior to Satan, too.Satan was more of a careerman and a showman than a legitimate fighter and he was aware of it to an extent.
A lot of time passed since though. And they must have been untelevised or undocumented, as Trunks and Gotens rumble never would have surprised the audience.
In fact, it seemed like the entire Piccolo saga was lost to memory. That should be impossible, unless the governmemts of the world were actively suppressing information from the general public.