|Family||Chuckie Finster, Kimi Finster, Kira Finster,|
|First seen||Barbecue Story|
|Last seen||Brothers Grimm|
While he tends to be timid and quiet and a bit whimpy like Howard. He does have a much more of a speaking role. He does try to be more brave, like his son does. He seems to also have a fear of clowns. Like Didi, Chas follows up on the advice of Lipshitz with caring for Chuckie. However unlike Didi, he tries doing things his own way at times. One example could be in "Down the Drain" when he uses a record and his two sock puppets to try and convince Chuckie and Tommy that they don't have to be scared about taking a bath. Despite his allergies, Chas does have a garden and a greenhouse, he's working on.
Its revealed in the Mother's Day, how he's worried for Chuckie missing Melinda. Chas does miss her deeply, but was more worried about Chuckie and his lack of a mother. In Rugrats In Paris: The Movie, he's slowly tricked into believing that Coco LaBouche is in love with him and loves Chuckie. Believing he loves her too, he comes very close into marrying her. Until he hears Chuckie's first word "No" as he rushes in the church to him, realizing that Chuckie is terrified of Coco, he calls off the wedding. Soon after though, he falls in love with Kira, after realizing they both have more in common, and marry