Carol Peletier (The Walking Dead)

Carol is the mother of Sophia.

Differences from the Source Material
Carol had a relationship with Tyreese at one point during the comic book series. She breaks up with him when she sees Michonne giving Tyreese fellatio.

Carol is depicted as a more mentally stable person in the TV series. In the comic book series, the death of her husband and her perilous lifestyle drive Carol into sanity. Eventually, she kills herself because of her insanity. In the TV series, the losses that she experiences actually made her a stronger individual.