Brandon Himpfen

Disable WP Emojis allows you to remove emojis from your WordPress site’s front-end, including 
the feeds, as well as the administration panel pages and e-mails.

Disable WP Emojis

Removes emojis from the WordPress front-end, admin pages, feeds and e-mails.

Ciprian Turcu

widget that you can place in your sidebar and that will show the blogger current mood by selecting one of the 12(so far) emoticons available. 
You can select 4 different sizes, depending on the size in width of your sidebar(so it fits just right).
Update 1.1: 4 more emoticons added 
Update 1.2: Dynamic Title(changeable from widget page) 
Update 1.2.1: Fixed a small design issue and aligned mood icon to center 
Update 1.0.1 Small other important design issue 
Update 1.2.3 Small admin_menu fix for wp 2.8.1 
DONATE! <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=8322585" rel="nofollow ugc">DONATE HERE</a> – (any ammount using paypal or credit card)

Mood Personalizer

Widget that you can place in your sidebar and show your current mood.

Disable WP Emojis vs Mood Personalizer