Todd Alquist was a methamphetamine cook and former exterminator for Vamonos Pest. He worked for Walter White, Mike Ehrmantraut, and Jesse Pinkman on their newly-founded meth manufacturing business. He was operating for his uncle Jack's White Supremacist Gang and their ally Lydia Rodarte-Quayle until they were killed at the hands of Walter White. Todd was ultimately killed by Jesse Pinkman. He served as the secondary antagonist for the second half of Season 5.