Who are the three bachelor animals friends in novel written by Kenneth Grahame?

The three bachelor animal friends in Kenneth Grahame's novel *The Wind in the Willows* are:

* Rat: A kind and intelligent rat who enjoys picnics and adventures.

* Mole: A simple and hardworking mole who is initially content with his underground life but discovers the joys of the world above.

* Badger: A gruff but loyal badger who acts as a protector and mentor to the others.