Mark Justin Roiland (born February 21, 1980) 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 has also played Earl of Lemongrab on Adventure Time and Blendin Blandin on Gravity Falls. He founded the animation studio Justin Roiland's Solo Vanity Card Productions! and the video game studio Squanch Games.

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