Some will say he is confident, arrogant or just plain honest, but the Dutchman surely does keep us entertained when he is in front of a camera.
Since joining Manchester United, van Gaal has already found ways to entertain the British media, and today Fan Park have picked their favourites LVG quotes from over the past few years.
He always shown himself to be confident and here is exactly what he thinks of himself.
"I know I'm a very good coach."
If you are going to ask him a silly question, always be ready for a fight.
"Am I the one who's so smart, or are you so stupid?"
Van Gaal showing the world how honest he really is.
"I am who I am: confident, arrogant, dominant, honest, hard-working and innovative."
Here he also show's his arrogant nature.
"Congratulations on signing the best coach in the world."
They say you never too old to learn, unless you are Louis Van Gaal
"Louis van Gaal has nothing more to learn."
Van Gaal ripped into a bunch of journalists, showing his feisty side.
"I have achieved more with Ajax in six years than Barcelona has in one hundred years."
He also knows when to be cheeky at times!
"When I think I've made an error, it can cause me a sleepless night. But that only happens rarely."
Louis Van Gaal has never been someone to shy away from bold statements
"I'm not the kind of coach who just goes out and buys players for the sake of it. I'm a coach who wants to – and can – improve players.
They say Dutch are crazy at times, but here Van Gaal really showed how crazy he is…
"Running is for animals. You need a brain and a ball for football."
Which is your favourite quote from Louis Van Gaal?
