“I want to introduce you to Darth Vader’s mother,” said Jarvis Rockwell, holding up a small plastic toy.

We were in his Main Street studio, standing next to an 11-foot-high stepped pyramid sculpture lined with thousands of action figurines, including personalities real and fictional, from the queen of England and Whoopi Goldberg to Jesus, Shakespeare, Freud, E.T., and Gandolf from “The Lord of the Rings.”