Random User Generator – API

I've used http://www.fakenamegenerator.com/ a couple of times (for bulk generation).

Also, there is http://www.generatedata.com/

I like the "↑ ↑ ↓ ↓ ← → ← → B A" implementation

This would be nice(r) if it could generate users from anywhere in the world.

Very nice tool.