Charles Norbert "Chaz" Finster, Sr. is Chuckie's father, from whom he i from whom he inherited his adenoidal whine. He met, fell in love with, and married Kira in the second Rugrats movie, Rugrats in Paris: The Movie. Formerly a bureaucrat, he is now the co-owner of a coffee shop known as the Java Lava Coffee Housewith Kira. Chas is also Kimi's adoptive father. His first wife was Melinda Finster, but she passed away a few years prior to Chas marrying Kira.