Fubra

ray.viljoen

The Author Bio Widget displays some basic information about the author of the page or post being viewed.
The bio includes the author’s gravatar, nickname and bio information as set in the user profile. 
The author’s name will also link to the main blogroll filtered by content from the same author.
The widget settings include a custom title and a size option for the gravatar ( profile picture ).
Developed by <a href="http://www.catn.com" rel="nofollow ugc">PHP Hosting Experts CatN</a>

Author Bio Widget

A simple sidebar widget to display page or post author's bio and link through to other content from the author.

jmarreros

This Plugin shows author’s biography in the foot of the posts, also adds 
social networks and a link to see all the entries written by the author.

Simple Author Bio

Plugin that shows the author's biography in the foot of the posts.

Author Bio Widget vs Simple Author Bio