Bates and Stratton were prisoners of the Cybermen who had been partially converted into Cybermen, their limbs replaced by mechanical equivalents. Since full conversion had failed, they were put to work on the surface of Telos. They escaped and tried to reach Cyber Control, meeting up with Lytton and Griffiths along the way, but Lytton was recaptured and stratton was killed trying to open the door to the time machine,the door opened and a cyberman shot bates and Griffiths,. (DW: Attack of the Cybermen)
- In the novelisation, he is given the first name of Eregous.