|Full name||Duncan Silver|
|Profession(s)||Comic Book Shop Owner|
|First appeared||Case #46 Death,Science and Fantasy|
Duncan is 25-year-old comic book shop owner.He wears Captain Simple costume and blue hat.He has brown eyes and brown hair.
Duncan became a suspect after the murder of a festival organizer named Steve Roland at the Grimsborough Sci-fi Fantasy Festival. The team interrogated Duncan since he owned a stand next to the statue where the victim was found impaled.He said that he barely spoke to Steve and that he never thought that his statue could cause death.
Duncan was spoken to again after team found restraining order from him to victim.He said that Steve was bullying him in his highschool years and embarrassing him everywhere.
Duncan was found innocent after team arrested Oka Thompson for murder.