[Please take a moment to verify your ID within 13 days to continue offering and buying services on Fiverr.]

Click on send a link and a link will be sent to the phone number used in creating your account.. That should resolve this.

[Appear as me or as brand name?]

I understand your point. If you aren't comfortable with your appearance, you can stick with just the chat feature. For your profile picture, there's nothing wrong in using a brand logo. That's the best suggestion for you. Just ensure this logo and brand name is yours only... No copies.