<Tr> <Th_colspan="2"> Information </Th> </Tr> <Tr> <Th> Family </Th> <Td> Ryan Samuels (father) Carol Peletier (adoptive mother) </Td> </Tr> <P> Lizzie and Mika Samuels are recurring fictional characters from the fourth season of the AMC television series The Walking Dead portrayed by Brighton Sharbino and Kyla Kenedy . Introduced in the fourth season premiere, Lizzie and Mika are two young siblings, and the daughters of Ryan Samuels . Following the death of their father, Carol agrees to raise the girls as her own children . The struggles of Lizzie and Mika are contrasted within the series as Lizzie, capable of taking a human life, is unable to understand and adapt by killing walkers, instead believing she can communicate with them and have an emotional connection . Conversely, Lizzie's younger sister, Mika, willingly kills walkers, but her compassion for others prevents her from taking the life of another human being . </P> <P> Lizzie's psychotic behavior and Mika's innocence are addressed in the second half of the season, with the revelation that Lizzie was feeding rats to the walkers at the prison . Most notably during "The Grove" episode, Lizzie murders Mika, and intends to allow her to reanimate . Having found this out, and knowing that she also planned to kill Rick's daughter, Carol made the decision to kill Lizzie . The scene sparked controversy among critics, who continue to refer to it as one of the darkest scenes and episodes of the series . </P>

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