Ethan O'Sullivan is a 18-year-old teenager who enjoys grunting, watching sport and meditation. He is stable and careful, but can also be very pessimistic and a bit grumpy.

He is currently at school. He is obsessed with bottled water.

Physically, Ethan is in good shape. He is short with pale skin,black hair and blue eyes.

He lives in a middle class neighbourhood. His father passed away 12 years ago, leaving his mother, a sales assistant Polly, to look after him.

Ethan goes to Jordan College, where his favourite subjects are chemistry and biology. He loves his teacher Ms Harvey but hates Mr Dove whose interests include putting children in detention for no reason.

Ethan's best friend is a teenager called Nadine Mair. They get on well most of the time. He also hangs around with Leanora Hollis and Dirk Hancock. They enjoy drone photography together.