" Weevils Wobble But They Don 't Go Down " was written by Phil Klemmer and directed by Jason Bloom , marking Klemmer 's fifteenth and final writing credit and Bloom 's fourth and final directing credit for Veronica Mars , after " Green @-@ Eyed Monster " , " Nevermind the Buttocks " , and " Charlie Don 't Surf " . The episode features the final appearance of Dianna Agron , famous for her role as Quinn Fabray on Glee , as Jenny Budosh , Veronica ’ s classmate . Agron had previously appeared in the episode “ President Evil ” . The episode prominently features Weevil ( Francis Capra ) , who appears after a five episode hiatus . During the third season , Capra was struggling with a medical condition , and the medication he took for this illness caused his face and neck to swell and break out with acne .