Mice are not, as is commonly assumed on Earth, small white squeaking animals who spend a lot of time being experimented
on.
In fact, they are the protrusions into our dimension of hyper-intellegent pan-dimensional beings. These beings are in fact
responsible for the creation of the Earth.
Two mice (Frankie and Benjy) escaped from Earth before the premature termination of its programme. They had belonged to
an Earthling known as Trillian They were rather keen to remove auther Dent's brain to reveal the ulitmatite Question which
they had devoted a lot and time and money to finding.
The whole business with the cheese and the squeaking is just a front.
