Abigail Tyson is an evil little girl. She warned for Andrew and Gwen for something bad to happen in the future.
In a pod, she told Andrew that something bad is coming for him (A Mysterious Foe)
Modern-day London, 2013. Abigail was in St. Mary's Axe, along with Gwen. Gwen found the little girl but then soon later Abigail converted Gwen and Andrew into Antibodies. It is true that she was an Antibody (Opening of the Damned)
- A Mysterious Foe
- Ghosts in the House (mentioned)
- Opening of the Damned
- Robotic Mind
- Hidden in Water