How do i change my account name on Bebo?

When i go to change name on bebo to something different to my realy name it says:

'Your name must be your real name. We've cleaned it up a little below, please correct if needed before saving again.'

So what should i do?How do i change my account name on Bebo?
What they mean is that You can only use LETTERS and i think underscores or hyphens (can't remember).



You cant use special characters like symbols