Vinostro

Vinostro was the best Duffman in the world.

History
Vinostro was Kyle McKagen's representatives but once he partying so much at he exploded and was injured. He swore then that he never party again and destroy the Duffman corps. He begins to annoy the Duffman's by playing free dorm of jazz and invited their parents which made the party soon stops. Vinostro asks Kyle if he wants to join him instead of party, Kyle considering it for a few seconds but then starts party which amazes the other Duffman's to party again. Vinostro gives up and Kyle is acclaimed as the best Duffman ever.

Behind the Laughter
Vinostro is a parody of Green Lantern's enemy, Sinestro.