Squirrel-hadouken-boomerang
http://forgifs.com/gallery/v/Squirrel-hadouken-boomerang.gif.html
Inside Street Fighter IV's Nostalgic Allure | Game | Life from Wired.com
http://blog.wired.com/games/2008/02/inside-street-f.html
"Did I just hear a Hadouken? I want to check that out."
Elephant Larry: Sketch Comedy - HADOKEN!
http://www.elephantlarry.com/video_hadoken.php
Spot-on funny Ken vs Ryu Street Fighter 2 sketch