Justin Roiland is an American voice actor, animator, writer, producer, and director. He is best known as the co-creator of Adult Swim's Rick and Morty, on which he voices the show's title characters and as the co-creator of Hulu's Solar Opposites, in which he voices the main character, Korvo. 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. He is also known for voice acting Mr. Romero in The Cyanide and Happiness Show episode from season 4, "The Animator's Curse".