| Douglas Marks | |
 | |
|---|---|
| Name | |
| Information | |
| Race | Human |
| Status | Deceased |
| Gender | Male |
| Professional Status | |
| Affiliation | Grendel (former) |
| Debut | |
| Manga | Chapter 39 |
| Anime | Episode 7 |
| Voice Actor | |
| Japanese | Tetsu Inada |
| English | Phil Parsons |
Doug was a member of Grendel along with Kyōma Mabuchi and Albert Schumann