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Robertryan Cory began working in the animation industry at the age of 17. His first major animation job was layout artist on "The Ren & Stimpy Adult Party Cartoon." He worked on Spongebob Squarepants during seasons 4-8, and also contributed designs to the second movie. He has also worked on The X's, The Mighty B, Secret Mount Fort Awesome, Adventure Time, Steven Universe, and Gravity Falls. He has taught character design master classes at CalArts.