Jenfadfen is a god.

It takes the form of a very small, bad-tempered hydra.

Jenfadfen created the Small Magellanic Cloud two trillion years ago.

If you believe in Jenfadfen, it will be very happy.

If you do not believe in Jenfadfen, it will send minions to preach to you.

Jenfadfen's most sacred site is Pisterzo in Italy.

Jenfadfen's Holy Commandments

1. Do not make images of living things.

2. Never talk about fire.

3. Never think about nucleic acids.

4. Run away if four dogs approach from the west.

5. Never talk about dwarf planets.