Snoopy!

 This is a well Known character whose wide smile puts everyone in a good mood:)!http://www.google.ie/imgres?q=laughing+snoopy&num=10&hl=en&gbv=2&biw=1280&bih=909&tbm=isch&tbnid=ND3tITMrkKV7kM:&imgrefurl=http://feedalltheanimals.blogspot.com/2011/04/good-humor-men.html&docid=_25crrkSxFDfgM&imgurl=https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgRQZB5rFATa92Ayk_x5-sq_MruPvpyzw8VbTM8ZaSYyZMu0p-GGBnrD7YIgljpmRuZpc3G0UTrnuByKa_NVGLU1hOR68k1fJWt3DNuWbklSzI9n3qiRVssDi1oyqpikjTYwHvYUn93ff4/s1600/Snoopy_laughing.jpg&w=341&h=414&ei=kTrFTpiHE4S4hAfnhdm4AQ&zoom=1&iact=hc&vpx=181&vpy=124&dur=2451&hovh=247&hovw=204&tx=126&ty=123&sig=105090901426694244899&sqi=2&page=1&tbnh=136&tbnw=112&start=0&ndsp=35&ved=1t:429,r:0,s:0