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Giffany is a antagonist from the Gravity Falls episode, Soos and the Real Girl.

She is voiced by Jessica DiCicco.

Background Information
Giffany is a self-aware program, from a Japanese dating simulator. When the programmers of the game attempted to delete her, she seemingly killed them.

Much later the game she was in, found its way to a video game store in Gravity Falls, Oregon, where it was bought by Soos.