Piero is a fictional character portrayed by Francesco Martino in the TV series Doctor Who.
They appear in 1 episodes out of a total of 166 aired
Episodes1
Extremis
episode S10.E6 may 2017The Doctor is called by the Vatican to solve the mystery of a text called the Veritas, that when someone reads it dies soon after. But something is dwelling in the Vatican, and doesn't want the Veritas to be read.