Canon • 
Dubiously CanonIn Pesterquest
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In Hiveswap Friendship Simulator
Doc Scratch first appears in Volume Thirteen, as the voice in one of Boldir Lamati's bad endings remarking, "Again? Must I do everything myself?" He later makes an appearance in the Epilogue of Friendsim, explaining to the reader that he gave them the insatiable desire to make friends in order to place all of the Troll Call trolls in the places they need to be.
In other media
Paradox Space
- Hand Made in Alternia
- The Viceroy and the Lady Grimme
- Horse Play
- The Inaugural Death of Mister Seven
- Lady Grimme and the Red Knight
| Pesterquest | |||||||||||||||||||||||||||||
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| The Player |  MSPA reader
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| Pesterable Homestuck characters |
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| Supporting Characters | Dad • Rose's Mom • Cryptid McWhiskers • Dave's Bro • Becquerel • Lusii • Boldir Lamati • Karako Pierot • Marvus Xoloto • Doc Scratch • The Condesce • Brobot • Roxy's Mom • The Director | ||||||||||||||||||||||||||||
| Earth Locations | Egbert and Crocker home • Lalonde home • Strider home • Pacific island • Half-Harley Manor | ||||||||||||||||||||||||||||
| Alternia Locations | Karkat's hive • Kanaya's hive • Gamzee's hive • Vriska's hive • Equius's hive • Terezi's hive • Tavros's hive • Aradia's hive • Nepeta's hive • Sollux's hive • Eridan's hive • Feferi's hive • Outglut • Doc Scratch's Tower | ||||||||||||||||||||||||||||
| Related Concepts | Homestuck • The Homestuck Epilogues • Hiveswap Friendship Simulator • Troll • Pesterchum • The Treasure • Chumroll | ||||||||||||||||||||||||||||
Warning: Display title "<span class="felt">D<span style="color:#e0e0e0">o</span>c Scratch</span>" overrides earlier display title "Doc Scratch".