Cartoon Physics
All things fall faster than anvils and boulders.
Explosive weapons cannot cause fatal injuries they merely turn characters temporarily black and smoky.
Any body passing through solid matter will leave a perforation conforming to its perimeter.
A body tends to remain in place or in motion in free space until it notices its situation.
Any body in motion will tend to remain in motion until solid matter intervenes suddenly.
The time required for an object to fall twenty stories is greater than or equal to the time it takes for whoever knocked it off the ledge to spiral down twenty flights to attempt to capture it unbroken.
As speed increases, objects can be in several places at once.
Certain bodies can pass through solid walls painted to resemble tunnel entrances; others cannot.
Any violent rearrangement of feline matter is impermanent.
Any alligator, when punched, will fly up in the air returning to the ground as a nice set of matched luggage or perhaps as a nifty pair of boots.
Intelligence is inversely proportional to body size.
Firearms are relatively ineffectual weapons unless, of course, your intent is to blacken someones face, make it difficult for them to drink and hold water, or remove bills or feathers .
Drawings are real as long as you're not aware they're drawings.
Holes are moveable.
A sharp object will always propel a character upward.