Complex sentence: The owner of Monty Python's Cheese Shop is called Henry Wensleydale (played by Michael Palin), who ironically has no Wensleydale cheese-or any other varieties-for sale.
Split into simpler sentences: The owner of Monty Python's Cheese Shop is called Henry Wensleydale (played by Michael Palin). However, he has has no Wensleydale cheese-or any other varieties-for sale.