Complex sentence: Together with its sister product Mortein, a household insecticide, Aerogard has become something of a "household name" in Australia, due to its promotion by former Australian tennis champion John Newcombe and the catchphrase "Avagoodweekend".
Split into simpler sentences: Together with its sister product Mortein, a household insecticide, Aerogard has become something of a "household name" in Australia,. Recent promotion includes advertisements featuring former Australian tennis champion John Newcombe and the catchphrase "Avagoodweekend".