"LittleBigPlanet"'s origin lies in a conversation between Media Molecule co-founders Mark Healey and Dave Smith after a cinema visit to see "Howl's Moving Castle". Healey and Smith discussed a game that had character controls similar to their previous game, "Rag Doll Kung Fu", that would be playable on a console. Healey and Smith left Lionhead Studios in December 2005 along with other Media Molecule co-founders Alex Evans and art director Kareem Ettouney, and managed to arrange a meeting with Phil Harrison, the then-head of development for SCE Worldwide Studios. They created a prototype of their idea, a game called "Craftworld", a physics-based, 2D side-scrolling game, with a placeholder character called Mr. Yellowhead. Mr. Yellowhead's arms were controllable with the right analogue stick of the PlayStation 2 controller that Media Molecule had connected to their PC, whilst his legs were controlled with the left stick. The object of the game was to guide Mr. Yellowhead past many obstacles by grabbing onto objects and pushing or rolling them around.