"Dr." Thaddeus S. "Rusty" Venture is one of the main characters of the most incredible cartoon ever made, The Venture Bros.  Dr. Venture is the son of the great super-scientist Jonas Venture and was once a boy adventurer with his father.  Now in his father's abscence, he tries hard to fulfill his father's legacy but is a complete and utter failure.  He is father to Hank and Dean Venture and pretty much hides behind his giant bodyguard, Brock.