Mattel and Nickelodeon have partnered to create toys for the Nicktoon series, CATDOG. The two-headed toys hit storesin March '99. The line includes Pull and Pose CatDog ($19.99), a plushstretchable and posable toy; Toon Team Packs ($14.99), six-inch mini-plushdolls with accessories; CatDog Ride-On Bicycle ($10.99), a bicycle for thewacky duo; and Stretchy CatDog ($7.99).