Mark Justin Roiland is an American voice actor, animator, writer, producer, and director. He is best known as the co-creator of Adult Swim's animated sitcom
Rick and Morty, for which he voiced the protagonists Rick Sanchez and Morty Smith, and as the co-creator of Hulu's
Solar Opposites, in which he voiced the main character, Korvo, until both networks severed ties with him in 2023. He had also played Earl of Lemongrab on
Adventure Time, Blendin Blandin on
Gravity Falls, and Oscar on
Fish Hooks. He founded the animation studio Justin Roiland's Solo Vanity Card Productions! and the video game studio Squanch Games, though he resigned from the latter in 2023.