Todd’s Breaking Bad returned in El Camino: A Breaking Bad Movie with the character looking noticeably different. El Camino takes place immediately after Breaking Bad, focusing on Jesse Pinkman but featuring appearances from a number of characters from the original show, including Jesse’s captor, Todd Alquist (Jesse Plemons). Todd and his white supremacist Uncle Jack played a critical role in Breaking Bad‘s final season. When Plemons filmed Breaking Bad‘s final episode, “Felina,” he was 24, but he was 30 by the time he filmed El Camino and was clearly older and more heavyset than he was in Breaking Bad.
https://screenrant.com/el-camino-todd-older-breaking-bad-theory/