Henry Wright

<p>This WordPress plugin will generate an identicon for each user. Each identicon is highly likely to be unique.</p>
<h3>Requirements</h3>
<p>You will need to compile PHP with the GD library for this plugin to work.</p>


Identicons

Patrick Chia

<p>This plugin allows you to generate a <code>gravatar favicon</code> for your blog and admin logo included Apple touch icon. Just activate the plugin, and it will add gravatars to your blog template and admin panel automatically, no setting and nothing. But you must enable your avatar(Discussion Settings). (W6A4N4-L26P6-WSH)</p>


Gravatar Favicon

This plugin allows you to generate a gravatar favicon for your blog and admin logo included Apple touch icon.

Identicons vs Gravatar Favicon