The best glimpse into him is to watch the movie because that’s his life and perceptions revealed on screen. I think that’s what people are responding to: an unfiltered movie that no one in their right mind could have ever created, other than him.
So it's great and all, but look at THIS:
[Tommy Wiseau] is currently writing a movie called The King of Vampires about a good vampire who ruled the world – which he promises will leave viewers unable to sleep for a fortnight.
Dear Room, he's still got it.
Of course he better direct and star too.