It's unlikely that you would understand the real comedy behind Mr Santos, so I'll explain

He's just a local TV showman who hosts his TV shows the same way for more than 30 years, so it's become a kind of claque. But enough of that, let's keep it in Portuguese.
Outro video que nos remete a essa era do Atari, é um vídeo de um grupo que fazia música com remakes de sons antigos: séries de TV, filmes, elementos da cultura pop, etc. Dentre eles, os de Atari. Confiram a música abaixo.
Video Computer System