Possible Clues:

• Principal in Canada, one entering Toronto, isn't bothered -- twisted individual?
• One provides entertainment supply
• It may be entertaining to watch his efforts to get into shape
• One who arranges his own supply when it comes to parts?
• Gymnast
• Performer who won't go straight to work
• Politician, wrong, is not one to adapt — he ties himself in knots
• Twisty and bendy entertainer
• Twister
• Elastic-bodied entertainer