The third was trying to keep the creative aspects of the movie unified over such a long period of time with so many different artists working on it, and create a cohesive whole with the art direction and design style, the look of the movie and the tone of the movie.

RD: What was the most enjoyable part?

TK: Working with Rob. He's such a strong filmmaker. He knows what he's looking for. He has tons of ideas. He really had a vision for this to be the type of movie that it ended up being -- the crazy, over-the-top, R-rated comedy in 2D animation.

And the second was working with the whole crew from the beginning to the end. We were lucky to get a tremendous group of artists that we were able to use in various ways on the show to really bring out their strengths. By the time we were in the home stretch, we had an amazing crew, which was very small by anyone's standards, six or seven people. [At that time] we completely re-wrote the opening and changed the ending tremendously, and did all that with a really tight crew that worked really well with Rob.

RD: What potential do you see for more adult content like this coming out in the U.S.?

TK: From the days working with Ralph [Bakshi on Mighty Mouse], I've been trying to get an R-rated animated movie out there. There's been a lot of effort, not just by me, but a lot of people, but it's been difficult, so I hope this movie can excite an audience and the powers that be can see the value to appealing to different markets. The way I've always looked it is -- the kids that grew up with Ren & Stimpy and Beavis & Butt-head and Simpsons and the outrageous [2D] animation for its day they're all old enough to watch older material and they're the same ones that watch all the R-rated comedies that come out of Hollywood regularly. So I think there is a huge potential to appeal to the R-rated comedy audience that's very large with animated projects if the stories and the design and the content is interesting for them.

Rick DeMott is the director of content for Animation World Network, VFXWorld and AWNtv. Additionally, he's the creator of the movie review site, Rick's Flicks Picks, which was recently named one of the 100 best movie blogs by The Daily Reviewer. He has written for TV series, such as Discovery Kids' Growing Up Creepie and Cartoon Network's Pet Alien, the animation history book Animation Art, and the humor, absurdist and surrealist website Unloosen. Previously, he held various production and management positions in the entertainment industry.