Andreas Wiseman International EditorEXCLUSIVE: The Simpsons’ Nancy Cartwright is launching TV and film production co-venture CRE84U Entertainment with producing partner Monica Gil-Rodriguez, and Jaime and Carolina Aymerich.Emmy winner Cartwright, the voice of Bart Simpson and other characters in The Simpsons for more than 30 years as well as characters in hit kids shows such as Rugrats and Kim Possible, is teaming with her Spotted Cow Entertainment partner Gil-Rodriguez on the new development