Night Shaym-Aliens!" and "Raising Gazorpazorp" John Rice: "Lawnmower Dog," "Anatomy Park," and "Something Ricked This Way Comes".Mike McMahan: " Something Ricked This Way Comes".Night Shaym-Aliens!," "Rixty Minutes," and "Ricksy Business" Wade Randolph: "Anatomy Park" and "Raising Gazorpazorp".Eric Acosta: " Anatomy Park" and " Raising Gazorpazorp".Ryan Ridley: " Lawnmower Dog," " Meeseeks and Destroy," " Close Rick-counters of the Rick Kind" and " Ricksy Business".
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He went from loving Morty to despising him for keeping him from pursuing his true nature. (voiced by Finnegan Perry, Will Jennings, Justin Roiland, Richard Christy, and Maurice LaMarche) - Morty's son created after Morty had sex with a sex robot, Gwendolyn, that Rick bought him from an interplanetary Pawn Shop. Xenon Bloom's team working on the Anatomy Park.
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Jacob (voiced by Echo Kellum) - A family friend of Jerry's parents, and is later revealed to be Joyce's lover.Ethan (voiced by Dan Benson) - The boyfriend of Summer.Leonard Smith (voiced by Dana Carvey) - Jerry's father, Joyce's husband, and Morty's grandfather.Joyce Smith (voiced by Patricia Lentz) - Jerry's mother, Leonard's wife, and Morty's grandmother.Snuffles, also known as Snowball (voiced by Rob Paulsen) - Morty's pet dog featured in the episode " Lawnmower Dog." Snuffles is a small, fluffy white-haired dog that experiences some trouble with being potty trained until Rick develops an IQ-enhancing helmet for him at the request of Jerry.He is shown to be a jock who plays sports for the high school. Brad (voiced by Echo Kellum) - A student at Harry Herpson High School.Gene Vagina (voiced by Phil Hendrie) - The principal of Harry Herpson High School.Goldenfold (voiced by Brandon Johnson) - Morty's math teacher. Jessica (voiced by Kari Wahlgren) - A classmate of Morty's that he is crushing on.These are the characters present in more than one episode in the first season. Summer (voiced by Spencer Grammer) - Morty's angst-ridden older sister who occasionally joins Rick on his adventures.Beth (voiced by Sarah Chalke) - Morty's holier-than-thou mother, a cardiac surgeon for horses.Jerry (voiced by Chris Parnell) - Morty's insecure father, whose disapproval of Rick's influence on Morty only deepens his marital troubles with Beth.Morty (voiced by Justin Roiland) - Rick's impressionable grandson who is often dragged along on his grandfather's escapades.Rick (voiced by Justin Roiland) - A genius scientist and alcoholic whose inventions and experiments serve as the basis for the episodes.
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These are the characters present throughout the majority of the episodes in the first season.