Draw a few candidates in the looks the story needs. Each candidate is one person, drawn in every look. Choose one and they become the face every picture is drawn from.
Who they are (the words every picture is drawn from)
Or use your own picture of them
A picture you made or a photograph you hold the rights to. A side-by-side (two looks in one picture) is split into its halves and both are used. The reference sheets are drawn from it at once (about $0.27).