Yesterday, I received this amusing e-mail from my father. It is now my first "guest post."
Holly, your portrait of John (saintly, long-suffering) looked so much like a Renaissance-era portrait, probably of St. Jerome or somebody, that I won't be able to rest till I've found the one it's closest to. No luck so far.
Titian's "Man with a glove":
Titian's Portrait of Pietro Aretino:
Another Titian Portrait of Pietro Aretino:
Holbein's portrait of Thomas Cromwell: