"How do you get an elephant into the fridge?" joke

How do you get an elephant into the fridge?
1. Open door.
2. Insert elephant.
3. Close door.
How do you get a giraffe into the fridge?
1. Open door.
2. Remove elephant.
3. Insert giraffe.
4. Close door.
How do you know there are *two* elephants in your fridge?
The door won't close.
How do you know there are *three* elephants in your fridge?
There'll be one waiting outside in the Mini.
How can you tell that an elephant has been in your fridge?
By the footprints in the butter.