Wolverine and the X-Men Writer Discusses Deadpool
The website Toon Zone had an interview with Wolverine and X-Men writer Greg Johnson at the 2009 San Diego ComicCon. When asked about Deadpoo...

http://www.deadpoolbugle.com/2009/08/wolverine-and-x-men-writer-discusses.html

"Deadpool is a very funny character for a lot of reasons, not just the shocking comments. Yeah, we still push the limits with him, more so than most characters in the cast, but we can’t go PG-13. When you watch him, there will be no doubt that it’s Deadpool."
Thanks to Eric for the tip. [SOURCE]