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Oscar (Vincent Ward)
Death episode: "Made to Suffer"
How it happened: The former prisoner was just starting to prove his worth to the group when he went along on the mission to rescue Glenn and Maggie from Woodbury. He lived long enough to help Glenn and Maggie escape, but was shot in the crossfire that ensued when the Governor's soldiers fought back.
Shock factor: We never got to know Oscar very well, so his death was just one more beat in an action-packed midseason finale.