Character · Book 6, The Eye of the Bedlam Bride
Ossie
Author of the Cookbook's 18th edition, who writes rarely but has read every edition, and appended to Herot's essay a suspicion that the dungeon lies about where some of its NPCs come from.
Segment appearances
Arc
The Cookbook is scrolls for Ossie; a lone note after Herot's essay suggests the NPC-origin story is a lie and the bopcas are not the only such people (ch. 34), and Carl only notices it while transcribing the book.