Senility Strikes- Can't remember Site for Checking Usernames

[tech_guy]

Can someone please remind me of the website we use to check the use of a particular username across the various websites where users can register? Many thanks.

[Pyroman]

Check Username Availability at Multiple Social Networking Sites

[Pyroman]

6 Free Tools To Look For Username Availability On Multiple Social Networks | Free and Useful Online Resources for Designers and Developers