Lionel is a young man who works for Leviatán, a demon who tricks people to make illegal stuff and then convinces them to make a contract.

He had a car accident when he was a teenager, almost died and lost an arm. When he started to work with Lev they gave him a robotic arm.

Lionel is pretty kind, enjoys helping other people and wants to make sure everybody is safe, has kind of an atlas complex. He also tends to respond to situations with his instinct and not make a plan.