It's mental that the writers cast him after seeing him in The Slab Boys of all things, a John Byrne play set in a Paisley carpet factory. With Sean Penn and Kevin Bacon too. I wonder if they did the accent?
That's why it's a bit odd that they're critical, they must have wanted a serious actor for the part and not a comedy guy. And they got one, and he delivered. Wouldn't have worked at all with a comedy guy, same reason they didn't use comedy people in Airplane, you need people there to take the silliness seriously.
That "Lovely" at 1:05 is one of my favourite things in all the world.
Favorite Shockolahte Mousse moment is the glugging sound effect when he's drinking the gasoline. They really did just try and throw in every type of joke there is.
I watch this film every year on my birthday, have done for about 30 years now, and this thread has still put me in the mood for watching it again. And I'll still fucking lose it when the elderly cello players start rocking out on their back.