Catherine Polly Nolan is a 45-year-old personal trainer who enjoys golf, eating out and recycling. She is kind and friendly, but can also be very rude and a bit lazy.

She is a British Jedi who defines herself as asexual. She started studying sports science at college but never finished the course. She is obsessed with bagels.

Physically, Catherine is in good shape. She is very short with walnut skin, grey hair and brown eyes.

She grew up in a middle class neighbourhood. She was raised by her mother, her father having left when she was young.

Catherine's best friend is a personal trainer called Wilhelmina Donnelly. They have a very firey friendship. They enjoy watching television together.