I don't know this Ralph Bashki movie. Trailer here
Cool World is a 1992 American live-action/adult animated fantasy film directed by Ralph Bakshi and written by Michael Grais and Mark Victor. Starring Kim Basinger, Gabriel Byrne and Brad Pitt, it tells the story of a cartoonist who finds himself in the cartoon-like universe he thinks he created, but has existed long before. In this world, he is seduced by one of the characters, a femme fatale who wants to become human.[4]