I set one up for Paws Inn ages ago, should be fairly easy... I just set it up with the name Paws (first name) and Inn (second name). You will need the address where packages should be sent to (the person buying something from the wish list doesn't see this so privacy is maintained)...
You probably need to 'confirm the account' etc by clicking on a link in the email they send you so if you're setting it up on behalf of WFC then you could set it up with your own email initially, then once it's up and running there's a 'change email/password section' so you can then change it to whichever email address WFC uses.