Why can't I change my yahoo Display Name?

I can't find a way to change the name is displayed on my yahoo page. I went to edit profile and changed the display name there, but it does not change!!!!!!Help

On my yahoo page it says that my screen name is PockyGirl and I want to change it back to my old one. But whenever I try to save it, it wont let me! Is it something wrong w/ yahoo right now that wont let anyone? or is it just my profile?

I change my name but it keep coming up as my real name thats bad

I have tried and tried to change my display name on yahoo messenger, but I cant seem to find a way to change it. Anybody who can tell me how to change it, I would greatly appreciate it. Thanks!

"Is there a way to change your display name which appears just under the title bar when Yahoo Messenger is opened up. It may be right beside your avatar if one was created? Or is the name that displays the one that the person signed up with and...

I was on Yahoo Messanger and I desided I wanted to change my yahoo ID thing. I am talking about the name between your display picture adn your status message. I cant figure it out!

on yahoo messanger, i.m. or whatever, how do you change your display NAME? instead of having it be your first and last name. i cant find it. thanks:)

So im actually trying 2 find this answer 4 my dad. He wants 2 know how your able 2 change your display name on yahoo messenger, Like righ now his current display name is Robb on yahoo messenger, but he wants it to say Robb Porter on his yahoo messenger...

I set my yahoo messenger, but I cannot figure out how to change my display name for people. I know how when I first request and to go on my messenger list, but this also the display name this person will always see. Or will they see the display name...