Suze (The Chromosome Connection)

Suze was one of Heather McCrimmons best friends at University.

Biography
Suze was studying history at Edinburgh University when she was invited on the catacomb experience along with her friends Heather and Rob.

When Heather hears strange noises coming from an old tunnel, she persuades Suze and Rob to help her investigate. When they come across an old women from the 19th century and a large monster, Suze and Rob abandon Heather and run back to the university (DW: The Chromosome Connection)

Unlike Rob, Suze was never seen or mentioned again following the catacomb incident.