Yattsom is a god.

He takes the form of a five thousand metre long, astonishing gnu.

Yattsom created humanity five trillion years ago.

If you believe in Yattsom, he will look after your home planet.

If you do not believe in Yattsom, he will turn you into a giant snail.

Yattsom's most sacred site is Corsock in Scotland.

Yattsom's Holy Commandments

1. Do not drink from vessels made of base metals.

2. Erect a giant zinc sculpture of Yattsom in the centre of the settlement.

3. Do not hurt ants.

4. Walk at least five thousand metres per day.

5. Run away if eight snails approach from the west.