Fionn Mac Cumhaill
Irish mythological hero
Jack Frost
the personification of winter.
The Frost siblings; Cordelia
Adrienne, Emma, and Christian , from the X,Men comics.
Frost
an Ubervillian in the Bigtime Heroes series by Jennifer Estep
Barry Frost
Detective in American TV show Rizzoli & Isles.
Amyas Leigh
character in "Westward Ho!" by Charles Kingsley; based on Amyas Preston
Amyas Crale
victim in Agatha Christie's novel "Five Little Pigs"