Sharing this video with a wider audience!  Snowfakery: Magic test data generator, with @Samantha Shain, as presented this past summer to Fort Worth Nonprofit User Group.

https://youtu.be/y4PNfEFlsWo

Fill your testing sandboxes with great data in minutes! Snowfakery is a tool for generating fake data that has relations between tables. Every row is faked data, but also unique and random, like a snowflake.