Charles Crandall Norbert "Chuckie" Finster, Jr. is a fictional character who appears in the Nickelodeon animated television series Rugrats and its spin-off All Grown Up! as the deuteragonist of the shows. He is voiced by Christine Cavanaugh and first appeared on in the Rugrats episode "Tommy's First Birthday". Chuckie last appeared in the All Grown Up! episode "Brothers Grimm".