Yimstragfly is a god.

It takes the form of an extremely heavy, overgenerous wren.

Yimstragfly created dark matter six quadrillion years ago.

If you believe in Yimstragfly, it will ignore you.

If you do not believe in Yimstragfly, it will name a particularly small and pointless comet after you.

Yimstragfly's most sacred site is Dzhanka in Bulgaria.

Yimstragfly's Holy Commandments

1. Never think about nebulae.

2. Your grandchildren must be taught to worship Yimstragfly.

3. Do not shelter from rain as it is holy.

4. Never eat green fruit.

5. Yimstragfly loves frogs, so they must be respected.