How do i change my display name when i answer a question?

I see where another answer said to look for something to drop down but cant find it

i want to change my display name how do i do it or where do i click???????????????????????????????????

how the heck u change it when i click on my picture thingy it doesnt say edit infon plz help

or how do I choose a new security question/answer combination.

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...

By display name, I don't mean in account details. During Christmas, I changed my chat room name from debosophy to Santas Sac. My account and everything is still under debosophy - it was just the name I use in chat that I changed. Now I can't remember...

I know this has been asked a million times, but I can't find the answer I need through Google or Yahoo. I've changed the picture and name on my Yahoo! profile successfully. But as far as being able to change the avatar and display name on the Answers...

I want to change the way my name appears when i ask/answer a question, but every time i go to change it and press save changes, and then answer/ask a question, it reverts back to the old name! this is incredibly annoying. someone help?

I already submited this question to another expert but they weren't able to figure how to solve this problem at the end so I am now asking you to see if you can help me. Here is the log of my conversation with him: QUESTION: I currently have a hugespreadsheet...