Here's a handy tool that can be useful for students, higher ed professionals and student affairs offices alike. It's namechk.com. What this convenient little web tool does is allow you to check the availability of "vanity" profile names on more than 50 social media sites at once (not that you intrinsically would want to be involved in that many sites), including facebook, twitter, linkedin, and many others.
Is your office starting a facebook page or maybe you've been thinking about opening a twitter account? Enter the profile name you hope to use into namechk.com and find out if it's available across a variety of platforms before you begin setting up profiles. Doing so will help you be consistent with your profile names, thus more effectively branding you or your office.