Duke Classon is an actor who first appeared in Disguised Deposit, where he gives the detective the box Patience de Monde asked them to pick up.
In Mysterious Mastermind, the detective confronts him about the contents of the box.
Appearances[]
Chapter 2[]
- Hazardous Habits (2-2; suspect identification)
- Clerkly Calamities (2-9; suspect identification)
- Jelly Job (2-12; suspect identification)
- Tedious Testament (2-13; suspect identification)
- Soda Singer (2-14; suspect identification)
Chapter 3[]
- Looting the Lady (3-1; suspect identification)
- Mouth-watering Medicine (3-4; suspect identification)
- Museum Menace (3-6; suspect identification)
- Curious Circumstances (3-10; suspect identification)
- Disguised Deposit (3-15)
- Mayor's Manuscript (3-18; suspect identification)
- Mysterious Mastermind (3-20)
Bonus[]
- Vanishing Visitors (B-10; suspect identification)
Newspaper cases[]
- Lost Human