|Full name||Seamus O'Neill|
|Partner(s)||Giulietta Capecchi (girlfriend)|
|Appears in||Criminal Case: Pheadmouth|
|First appeared||Case #4: The Spooktober|
Seamus O'Neill was a suspect in the murder investigations of student Nina Goodwin in The Spooktober (Case #4 of Pheadmouth) and real estate buyer Amru el-Ismail in Heads Up (Case #6 of Pheadmouth). He also appeared as a quasi-suspect in Per Sempre Tua (Case #7 of Pheadmouth).
Seamus is 27-year-old partygoer with thick brown hair and brown eyes.
In his first suspect appearance, he wears a brown cowboy hat with a feather, and a creamy white shirt with a tear and soot stains, as well as suspenders. It is known that Seamus uses a spirit board.
In his second suspect appearance, he wears a creamy white shirt with blue suspenders. It is discovered that he has traveled to Fario.
Events of Criminal Case: Pheadmouth
- The Spooktober (Case #4 of Pheadmouth)
- Heads Up (Case #6 of Pheadmouth)
- Per Sempre Tua (Case #7 of Pheadmouth)