<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (May 2014) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (May 2014) (Learn how and when to remove this template message) </Td> </Tr> <P> A113 (sometimes A-113 or A1 - 13) is an inside joke, an Easter egg in media created by alumni of California Institute of the Arts, referring to the classroom used by graphic design and character animation students including John Lasseter, Tim Burton and Brad Bird . Bird first used it for a license plate number in the "Family Dog" episode of Amazing Stories . It has appeared in other Disney movies and every Pixar movie . </P> <P> Bird said, "I put it into every single one of my films, including my Simpsons episodes--it's sort of my version of Hirschfeld's' Nina ."' </P>

What does the a113 mean in disney movies
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