St Christopher
From Tardis Wiki, the free Doctor Who reference
Thomas Hector Schofield had a figurine of St Christopher. Koloon placed his memories inside of it when she restored him to life as Hector Thomas. (AUDIO: Signs and Wonders)
Peri Brown sometimes wore a medallion of St Christopher, which was taken from her on a visit to the planet Karfel. (TV: Timelash)