Joke Collection Website - Joke collection - Where did the cold joke of putting the elephant in the refrigerator first come from?

Where did the cold joke of putting the elephant in the refrigerator first come from?

At first, I heard that it was a brain teaser, and the original text was three questions.

1. How many steps does it take to put an elephant in the refrigerator?

A: Three steps. Open the refrigerator door, put the elephant in and close the door.

2. Put the giraffe in the refrigerator. How many steps are needed?

A: Four steps. Open the refrigerator door, take out the elephant, put in the giraffe and close the door.

A meeting of all animals was held in the forest. What animal didn't come?

A: Giraffe (in the refrigerator)