All the Animatronics in the 4th Generation-Type Era are Nightmares(like FNaF 4). They're all in FNaE 2 form. There's also Nightmare(Counterpart of Nightmare Elsa), Nightmare Mia and  Nightmare Iduna.

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[The CRYING CHILD]

Alias Name: Bella Waters

Real Name: Bella (same)

Age: 10 

Size: 54.3 in. (138 cm)

Gender: Female

Occupation: Bite of '83 victim