The Finsters are one of the main families in the Rugrats and All Grown Up! Series'. The last name Finster can refer to the Characters.

Chas Finster: The father of Chuckie and Kimi. Widower of his late wife Melinda and currently the husband of Kira Finster.

Melinda Finster: The deceased wife of Chas, and late mother of Chuckie Finster.

Chuckie Finster: The only child of Chas and Melinda, adopted son of Kira, and the older brother of Kimi.

Kira Finster: The mother of Kimi, adopted mother of Chuckie, ex-wife of Hiro Watanabe, current wife of Chas Finster.

Kimi Finster: The younger sister of Chuckie Finster, adopted daughter of Chas, and the only daughter of Kira Finster and her ex-husband, Hiro Watanabe.

Shirley Finster: The mother of Chas Finster, the grandmother of Chuckie, and the step-grandmother of Kimi, she is also the wife of Marvin Finster.

Marvin Finster: The father of Chas Finster, the grandfather of Chuckie, and step-grandfather of Kimi, he is also the husband of Shirley Finster.

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