Nicola Bryant (in-universe)

Nicola Bryant was Colin Baker's friend who was "put away" for marrying Brian Blessed.

Nicola was also present in some of the new material that had been produced for Doctor Who Season 23, including The Doctor Who Cookbook Revisited and The Doctor's Table: Season 23. (WC: The Trial)

Other realities
In a parallel universe where Richard Griffiths portrayed the Eighth Doctor, Nicola Bryant was interviewed for Doctor Who Magazine Issue 165. (PROSE: What If?)