Venture Bros. story supervisor Stephen DeStefano has many many goodies at his blog for the fans:

On Season One, I boarded the first appearance of Molotov Cocktease, and her vicious fight with Brock.
I also boarded the sequence featuring Brock’s massive, erect dong.
I was good at sequences featuring massive dongs and intimate, violent fights.
Not so good at army invasions, though.
Mr. Publick’s infatuated with army invasions, and when reading new scripts during season one, I’d scour them for army invasions. Then I’d tell Bill I refused to draw that sequence, and he’d have to give it to my boarding partner, Tom Connor. Which he’d do.