Whoever knew that the dad on Growing Pains was cool?

So it turns out that not only did Alan Thicke write the theme songs for Diff'rent Strokes and The Facts of Life, but he also worked with Richard Pryor in his 70s heyday.

And to think that I just thought he was a funny looking twat in a pisspoor 80's sitcom.

This interview in The Onion'sAV Club tells all.