Lewis McCartney

Lewis McCartney is the overarching deuteragonist of the Australian series H2O: Just Add Water. He is a human boy who is childhood friends with Cleo Sertori since they were five. Lewis is always looking for a scientific explanation as to why the girls are mermaids. However, over time, he learns that science and magic do not mix, but he does help the girls. 
Category:Males
Category:H2O characters
Category:Science fantasy characters
Category:Fantasy characters
Category:Heroes
Category:Deuteragonists
Category:Teenagers
Category:Live-action characters
Category:Nickelodeon characters
Category:Adventure characters
Category:Scientists
Category:Students
Category:Siblings
Category:TV show characters
Category:Drama characters
Category:Comedy characters