Random anonymous user names from list

Perhaps a special use-case, curious to know if (many?) others would like the following option:

1. The Administrator enters a bunch of keywords into a comma-separated field (config page).
2. Also specifies a number range in two other fields, for example: "1000" - "9999".
3. Then selects this method as the preferred one.

Then, when this module generates user names, it selects randomly from the comma-separated list and adds a random number to the end of the user name from the specified range.

For an even more fun effect, even 2 such comma-separated lists could be provided and randomly joined, for strange/fun user names.

The main point being able to ensure completely anonymous and random user names for certain sites.
Since the user names must be unique, the number is added, and the module must obviously automatically check that the suggestion is available before suggesting it.

Another cool option would be to have the option to continue to click and generate a new one, so that users can find one they like better than the initial suggestion.