Ansel is a supporting character in the fourth season of Sleepy Hollow who was originally the partner of Malcolm Dreyfuss until Malcolm made a deal with a demon to get rid of him. Once Ansel escaped from Hell, he learned about his sigils branded upon his body by demons and used them to get the Philosopher's Stone.
Ansel was best friends with Malcolm Dreyfuss. The two of them created a business together. Malcolm was the brains of the operation and Ansel dealt with the social part of the business. Over time, people saw Ansel of the face of the business and Malcolm became a kind of shadow to Ansel.
After having enough, Malcolm took all of the things that was rightfully his back but crashed his car as he was drinking. A demon saves Malcolm and makes a deal with him that they will get rid of Ansel, he will get sole ownership of the business in exchange for his soul when he dies. Malcolm signs on the dotted line and Jobe takes Ansel to Hell. The demons brand his body with demonic sigils. Eventually, Ansel escapes Hell. Over time, he learns about his demonic sigils and how to use them so that when he is ready, he can use the Philosopher's Stone to change his scared appearance and become immortal.