Complex sentence: By 14 July 2015, the provisional name "Cthulhu" was being used by the "New Horizons" team, after the fictional deity from the works of H. P. Lovecraft and others.
Split into simpler sentences: By 14 July 2015, the provisional name "Cthulhu" was being used by the "New Horizons" team. It was named after the fictional deity from the works of H. P. Lovecraft and others.