who is martha in baby reindeer based on

Martha is based on one of Santa's trusted reindeer, who was instrumental in helping him deliver presents to the children of the world. She was a wise and gentle leader, who knew how to handle any situation with grace and humor. Her kindness and compassion were beloved by children and elves alike, and she was a great mentor to the younger reindeer. Martha was a true Christmas spirit, and her presence on the team was felt every year at Christmas time.