Complex sentence: Evan Spiliotopoulos is a Greek-American screenwriter, best known for writing "Hercules", "Tinker Bell and the Lost Treasure" and "Beauty and the Beast".
Split into simpler sentences: Evan Spiliotopoulos is a Greek-American screenwriter, best known for writing "Hercules" and "Tinker Bell and the Lost Treasure". He also wrote the scripts for the films' and "Beauty and the Beast".