Knifey is a minor character from Toy Story 4 and sentient plastic knife that Bonnie created in first grade.
Toy Story 4
In the post-credits, Jessie comes back home from first grade and shows Knifey to the gang like how Woody introduced Forky. After Forky explains that they are all toys, she asks: "How am I alive?". Forky replies: "I don't know."
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