“Foaming mouth guy had never been known to speak actual words, only crazed gibberish. Judging from the confused/embarrassed reactions from other Kyoshi Island residents, foaming mouth guy seemed to be an outcast.”
Foaming Mouth Guy get’s ALL THE LULZ!!! Also check out this wiki made in honor of Foaming Mouth Guy and other Avatar lulz. It’s called Foamipedia.