Puyo Puyo (ぷよぷよ Puyopuyo) is the inaugural game in the Puyo Puyo series originally released in 1991 by Compile for the MSX2. Since its creation, it uses characters from Madou Monogatari (魔導物語 Madō Monogatari). It was created by Masamitsu "Moo" Niitani, the founder of Compile, who was inspired by certain elements from the Tetris and Dr. Mario series of games. Source: Wikipedia, "Puyo Pop", available under the CC-BY-SA License.