Mike Trapp| Appearance Type |
AppearanceInformation | Issue | Cover Date | |
|---|---|---|---|---|
| story | 1pg art | USA Comics 13 | Summer 1944 | |
| story | The Swastika Murder Case! 2pg art | Amazing Comics 1 | Fall 1944 | |
| story | The Case of the Tainted Alibi 1pg art | USA Comics 16 | Summer 1945 | |
| story | The Case of the Death Note! 1pg art | USA Comics 16 | Summer 1945 | |
| story | Holiday for Murder 1pg art | USA Comics 17 | Fall 1945 |