Bertram is a minor character mentioned in Sub-File B of File Under: 13 Suspicious Incidents.
Bertram found the Doctors' coats hanging on a track near a drafty window, which helped Lemony Snicket figure out that they hadn't stolen the eggs, as they would have put the eggs somewhere warm to hatch.
- Only the conclusion of "Backseat" is listed, meaning that much of Bertram's history is unclear.
- Interestingly, Bertram has a similar first name to Bertrand Baudelaire, S. Theodora Markson's apprentice before Lemony Snicket.
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