Mark Graham Superhalk is a 40-year-old gym assistant who enjoys attending museums, attending gallaries and duck herding. He is inspiring and giving, but can also be very unkind and a bit disloyal.
He is a Dutch Muslim. He didn't finish school.
Physically, Mark is in pretty good shape. He is average-height with chocolate skin, brown hair and green eyes. He has sticking-out-ears.
He grew up in an upper class neighbourhood. His parents separated when he was small, but remained friends and provided a happy, stable home.
He is currently single. His most recent romance was with a plumber called Emmy Nora Ryan, who was the same age as him. They broke up because Emmy felt threatened by Mark's intelligence.
Mark has one child with ex-girlfriend Emmy: Bonnie aged 9.
Mark's best friend is a gym assistant called Gertrude Hall. They have a very firey friendship. He also hangs around with Luke Clarke and Bernard Scott. They enjoy swimming together.