Simon and Mary, characters in The Senior series, are Zack's parents. They are first seen in Chapter 5.
Simon has short brown hair, brown eyes and light skin. He wears a beige cardigan with collar over a beige checkered shirt.
Mary has short wavy brown hair, blue eyes and light skin. She wears a light red collar-less cardigan over a multicolored top.
Zack is Simon's and Mary's son.