(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. Annie (voiced by Jackie Buscarnio) - A member and only survivor of Dr.Meeseeks he summoned and the others that follow go insane from existing for too long to the point of taking extreme measures to fulfill Jerry's request. However, as seen with the difficulty with fulfilling Jerry's wish, the Mr. Meeseeks (voiced by Justin Roiland) - Creatures summoned by activating a Meeseeks Box, existing until they fulfilled the purpose they are assigned. 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.These are the characters present throughout the majority of the episodes in the first season.

Rick and morty season 1 episode 1