None.

During a slideshow a slide is shown featuring art of a Mayan removing a heart from a victim. (fairly graphic)

Morris and Ted kill a monkey for it's heart. (not shown)

Morris gasses Ted.

Morris forces zombie Ted to desecrate a corpse.

Except for the slide, none of the violence is graphic.

2 instances of "baby".

1 instance each of "fool" "great Caesar's ghost" "holy cats" "little gal" "madman" "queer ducks"

A cigarette is shown burning in an ashtray.