When Tom Wallace finds David and Robert, written on the wall behind him is the word "icosahedron". This is the word that means an object with twenty sides, but why anyone would paint that on a wall is a complete mystery.
The same incidental score used for David's flashbacks in 'Mystery Man' is used for most of Tom Wallace's hallucinations.
Jack Kirby: The Police sketch artist is portrayed by the legendary comic book artist and Hulk co-creator.