Marvin is the fifth member of the para grims The Para grims are essentially Grim reapers. In a more high rank. Who are known to kill demons and protect the mortal realm, Marvin is very stubborn and very serious, ignorant and doesn't hesitate to kill a demon, however, despite all of that, he fell love with a demon named Luna, who was a demon princess and the daughter of the demon king in the demon realm. He Loved her so much he would do anything for her. He even suggest to her that they should run away far away, so nobody can bother them.
Speaks in clipped, solemn sentences; keeps emotions behind duty; blunt about threats.
