When Martin was a newborn he lost his mother when she got shot trying to protect him and his father ended up crazy after his mom died when he was a baby, he got put into an orphanage and was raised there his whole life until adulthood. Fast forward when he got a job, he realized that he was half mortal and half immortal. Making him a hybrid, and he was able to get a job as a Grim Reaper, and he's trying his best, while he sometimes take out the wrong person, or just bad at his job, he's trying to get better. Even telling his boss that he'll get better
