Procter & Gambles IAMS pet food division has launched two television commercials on its Facebook page featuring a new spokesdog named Spike. The creative touts two new SKUs of the four-year-old IAMS Naturals products: Sensitive Naturals and Simple & Natural. The company says IAMS Sensitive Naturals uses ocean fish as the first ingredient and is for dogs with ingredient sensitivities. The IAMS Simple & Natural recipe uses chicken as the first ingredient.