According to Santa Claus, his "mugshot" was on every Christmas card. (TV: Last Christmas)

In 1972, the Twelfth Doctor helped Jess Collins deliver Christmas cards to various friends of the Collins family. (COMIC: Be Forgot)

In 1992, Chad Boyle mailed Christmas cards to all of his old friends from Perivale. (PROSE: Love and War)

In 2017, Erimem wrote Adam Docherty a Christmas card which said, "May your enemies drown in their own blood". (PROSE: Message in the Cards)

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