Volume 1 of the Rick and Morty comic series follows the Rick and Morty of Dimension C-132 while most episodes of subsequent installments follow the Rick of C-137 and his Morty the video game Pocket Mortys follows the Rick and Morty of C-123. Both Rick and Morty are voiced by their creator, Roiland. The Rick that the show usually follows is formally referred to as Rick C-137 by the Trans-Dimensional Council of Ricks, in reference to his original universe, C-137. He is the widower of Diane Sanchez and father of Beth Smith, the father-in-law of Jerry Smith, and the grandfather of Morty and Summer Smith. However, despite assuming himself to be the smartest person in the universe, there have been times when he has been wrong. He is a sociopathic mad scientist who seems to know everything in the universe and thus finds life a traumatizing and pointless experience. Known for his reckless, nihilistic behavior and pessimistic personality, the character has been well received. In September 2021, Lloyd portrayed Sanchez himself in a series of promotional interstitials for the series. Emmett "Doc" Brown from Back to the Future and Reed Richards from Marvel Comics. Created by Justin Roiland and Dan Harmon and voiced by the former, Sanchez is a misanthropic alcoholic scientist inspired by Christopher Lloyd's Dr. Rick Sanchez is one of the two eponymous characters and the main protagonist from the Adult Swim animated television series Rick and Morty.