Sign in to Yahoo!

Click on My Account (at top of screen)

Enter password if prompted

On the Account Info page, on the right side is a Public Information
box. Click on Edit/Create Profiles.

Under Public Profiles for xxxxxx (where xxxxxx = your profile name),
click Edit.

On the Profile page, click Edit Profile Information.

Now enter all that junk. You don't have to enter all of it, but do
enter your first name.

At the bottom of the page be sure to check Directory Listing: Add
this profile to the Yahoo! Member Directory

Click Save Changes
See how simple that was? NOT!