As it happens, Fun Uncle Stu has made at least two known appearances on other websites.
Fun Uncle Stu held the coveted title of Current Champ from Friday, November 02, 2007 to Friday, November 02, 2007, heartily vanquishing Screamin' Sara Jenkins to earn it. Unfortunately, brutal defeat came soon after, at the merciless hands of Over Protective Parent.
This hero's magnaminous likeness was captured at their moment of glorious triumph by Kevin .
Quotes overheard while standing in the crowd that gathered to watch the carnage…

Nulls noise! He's eternally driven by the dying words of his mentor, which are conveniently buried in the backyard.