Why is my full real name showing up when I sent an IM?

I sent an email regarding my name showing up in the IM window for everyone to see and you sent me instructions to change it. It is still showing up. please advise

Someone sent me a link in a message and now, as i review my message history - it's not showing up. The im name is not on my contact list and my history was set to save messages. Can it be recalled somehow.

When I IM someone, my real first and last name appear in the IM box on my screen and my user ID shows in the IM box to the person I sent it to. This is okay. But when I accept someone into my 'friends" list and then send an IM, my real first and...

When I send an email to Tom Jones; In my sent file it should say, sent to Tom Jones, but it says, sent to Me. I can't ever find old emails I sent to Tom Jones anymore, HELP!

I noticed when I'm speaking to others via IM, my real first & last name are visible to them each time I send a message. Sometimes the conversation will start w/my profile name and switch over to showing my real name. I've looked everywhere under...

In other words, I am trying to protect my privacy in IM'ing. I only want my first name to appear anywhere in the Yahoo Messenger format.

In the box on an email that shows who sent it, I don't want my actual name showing up there. My yahoo ID is fine to show. I just don't want people having my name.

I have an alias screen name/profile set up to protect my regular email address. However, my regular screen name still shows in an IM chat. That defeats the purpose of an alias if my regular screen name is still being revealed. How do I fix?

I sent an Email to someone that I am just getting to know.When I checked the mail I had sent I noticed that it not only sends my Yahoo i.D. it sends my Real First and Last name.I dont want strangers to have access to my Last name.how do I make it so...