Complex sentence: Joe Piscopo, playing Doug Whiner, and Robin Duke, playing Wendy Whiner, spoke all their lines in a nasal whining tone, hence, a double meaning of their name.
Split into simpler sentences: Joe Piscopo, playing Doug Whiner, and Robin Duke, playing Wendy Whiner. The Whiners spoke all their lines in a nasal whining tone, hence, a double meaning of their name.