Minecraft in his performances. A simulation of the game was featured in Lady Gaga's "G.U.Y." music video. The game is also referenced heavily in "Informative Murder Porn", the second episode of the seventeenth season of the animated television series "South Park". "Luca$", the seventeenth episode of the 25th season of the animated sitcom "The Simpsons" was inspired by "Minecraft"; Persson responded by tweeting "I'm not sure how I feel about it." After the release of "Minecraft", some video games were released with various similarities with "Minecraft", and some were called "clones" of the game. Examples include "Ace of Spades", "CastleMiner", "CraftWorld",
Lego Minecraft with custom moulds for the character heads, tools and certain body parts (for example the Creeper, which consists of primarily a single moulded piece for its torso and legs). When asked about Lego Minecraft's beginnings, Mojang chief executive officer Carl Manneh stated that "it was one of the first things we talked about when we started Mojang." Mojang started the project on the Lego CUUSOO program, which required ten thousand signatures for the project to be approved. With the strong support of the "Minecraft" community, the signature objective was achieved within a matter of days, and the development of the