Blixen

Blixen is an antagonist in the story, Dasher’s Early Life. He’s the son of Gadget and an unknown doe, stepson of Blaze, half-older brother of Dasher, husband or ex-husband of Karissa, and father of Rocky. 
Relationships 
Dasher: Dasher is his half younger brother, but Blixen was a bully to him during childhood. Blixen would call Dasher some cruel names, such as “shorty”, “loser”, “lil’ freakshow” or even “runt”. Blixen was older than Dasher was since he went to Reindeer Games at a young age. But as adults, Santa set up a brother against brother challenge to see if Dasher or Blixen was his favorite because the winner is the official sleigh founder. But when Dasher won, Blixen became bitter and jealous that he thought he deserved to be the sleigh founder. Blixen told Dasher that he may have won the challenge this time, but he vowed to get revenge on him when he comes back. 
Spotty & Prancer: Whenever Blixen would bully Dasher for the sake of it, Spotty and Prancer were Dasher’s two best friends. The two reindeer girls would stand up to Blixen and tell him to leave Dasher alone. 
Everest: When Blixen and Everest met, Blixen was confused as to why Everest was all white and had no color. Everest Forrest’s him that she’s an albino reindeer, but after all that. Everest is one of Blixen’s enemies. 
Karissa: After Blixen left after swearing to get revenge on Dasher, he met Karissa. She used to be obsessed with Dasher before she knew that he liked Everest more, but after that. They mated, together they both had a son named Rocky. However, it’s unknown what happened to her after that. But it’s possible that she and Blixen might’ve divorced due to Blixen’s behavior. 
Rocky: Rocky is Blixen’s son, he and his pops are ever closer. They both bully their enemies, Blixen bullies Dasher and Rocky bullies Dasher’s friend, Rudolph. 
Blaze: When his father, Gadget passed away before his birth, Blaze attracted his mother when he was only a few years old.