Apple Jacks is a brand of cereal produced by Kellog's. It was introduced to the U.S. as Apple O's in 1965 after being invented by William Tilly. In 1971 the name Apple Jacks, was put into action by advertisers. Originally, all Apple Jacks cereal pieces were orange and O-shaped. In 1998, O-shaped green pieces were introduced. More recently, Apple Jacks has introduced New Apple Jacks, Crashers. The latest (limited) edition, in 2010, are Apple Clones, with red pieces shaped like apples, it has returned recently.