I like to imagine that Chica makes the others babysit Cupcake while she tends to important business, such as maiming the nightguard, for example.

By the by, Bonnie is the only one Cupcake refers to as “papa” (much to his annoyance) so Freddy and Foxy get to be uncles. =D

Five Night's at Freddy's © Scott Cawthon