Complex sentence: She then formed an alliance with Michelle McCool, later called LayCool, leading to a feud with Mickie James in October, making fun of her weight and vowing to make her leave "SmackDown" just after her debut for the brand.
Split into simpler sentences: She then formed an alliance with Michelle McCool, later called Team Lay-Cool. Team Lay-Cool began a scripted rivalry with Mickie James in October, making fun of her weight and vowing to make her leave SmackDown just after her debut for the brand.