Why Use a Customer Avatar?
A customer avatar allows you to work out what you can do to help your customer. With an avatar you can focus your marketing to what a customer will want and buy. By using an avatar you will know if the customer is likely to buy and whether it is worth targeting that customer for a campaign. It is even possible to work out if video marketing would work.
Below is an example using a mind map
There are examples all across the web. Just check them out. Here is one article to look at
http://www.earlytorise.com/customer-avatar/