Khongordzol "Khon" (flyingthistle): Original Character - elf and dragon-rider, the dragon (Bayar) comes included.

Margaret "Peggy" Carter (mayevendance: MCU, Captain America; The First Avenger - taken from before the end of WWII, same originating 'verse as stark_spangled.

Ysgrave (brave_glass): Threshold - taken from the start of the book, after she is made a slave and before she gets too embedded in the plot.