Complex sentence: The Miz and Damien Mizdow are two professional wrestlers currently signed to WWE, who have formed a tag team, being Miz an arrogant movie star and Mizdow, his stunt double.
Split into simpler sentences: The Miz and Damien Mizdow are a professional wrestling tag team currently signed to WWE. The team's gimmick is that Miz is an arrogant movie star and Mizdow is his stunt double.