He also does a terrific Werner Herzog impersonation. There's a little bit of it in the DVD extras for Bad Lieutenant.

good Rifftrax of this

This movie was something else.

Val Kilmer is spending the second half of his life becoming a Christian Scientist Marlon Brando, complete with weight gain and weirdo seclusion, so it's fair.

Just like Brando Kilmer put on a ton of wieght in his old age.