Gerson

Character from Undertale / Deltarune by Toby Fox

An ancient turtle shopkeeper who fought in the Human-Monster War and now sells junk in Waterfall — the Underground's grumpy living history book.

Also known as: Hammer of Justice

What They Know

• Fought in the Human-Monster War — one of the oldest living monsters in the Underground
• Primary lore source — explains the Delta Rune prophecy, the War's history, and Asgore and Toriel's relationship
• In Deltarune, he is deceased — his son Gerson Jr. runs the shop, confirming timeline differences between games

Connections

• located_at — waterfall

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