Efrain Antonio Ramírez, better known as Efren Ramirez, is an American actor, best know for portraying Pedro Sánchez in the Fox Searchlight and MTV film, Napoleon Dynamite, a role he would reprise in the short lived animated television spin-off. He appeared in movies, such as Crank, Crank II: High Voltage, Gamer, Casa de Mi Padre, and Middle School: The Worst Years of My Life. On television, he appeared in Boston Public, ER, Judging Amy, George Lopez, Robot Chicken, El Tigre: The Adventures of Manny Rivera, Scrubs, Constantine, and The Casagrandes.
For Disney, he portrayed Carlos in Kazaam, Juan in When in Rome, a member of the Scrub Patrol in Even Stevens, and voiced Airman Diaz in Disney/Pixar's Lightyear. Additionally for Fox, he played various roles on MADtv, Paco in American Dad!, and Ruiz Gonzalez in Bordertown.