He is known for his improvisational abilities, which he mostly
contributes to films other than the more personal ones he does with
Wes Anderson. Many of the funniest lines in his movies are his
improvisations.
"It's funny how it usually works out that I end up dying. It sort of
works out, because by the time I die, I'm usually tired of working on
that particular movie, so I look forward to it." - about how a lot of
his characters end up dying.