Dennis Ploetner

Just another widget to show a photo, a bio and some social media links with nice webfont-icons
The plugin is using the JustVector Social Icons Font created by <a href="http://www.alexpeattie.com/projects/justvector_font/" rel="nofollow ugc">Alex Peattie</a>.

WP-Whoami

Just another widget to show a photo, a bio and some social media links with nice webfont-icons

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.

WP-Whoami vs Simple Author Bio