Batman, Alfred and others in “What Is Reality?”

Batman

"Where does a 500 pound gorilla sleep?" "What's worse than a millipede with flat feet?" "How do you stuff five elephants into a compact car?"

Anywhere it wants, a giraffe with a sore throat, and two in the front seat, two in the back, and one in the trunk.

Batman

Yeah, yeah. I know, I know. Any schoolboy knows those. But brain teasers are the Riddler's M.O. Not corny old jokes like these.

Perhaps the questions are the clues, not the answers. For example, they all seem to involve animals.

Batman

Also numbers. A 500 pound gorilla. A millipede, meaning a thousand legs. And five elephants. Now let's convert them to Roman numerals. [he does, revealing the letters DMV] Look.

DMV.

Department of Motor Vehicles.

But I recall you mentioning he'd already obliterated his records there, so why return?

Batman

For the hard copy.