Lowe plays Senator Robert McCallister, who is married to Calista Flockhart's character, Kitty.
Lowe has thrown out a few ideas of his own, like divorce, kidnapping and even slipping on a banana peel.
He has appeared on the drama for four seasons.
Rob Lowe to leave 'Brothers and Sisters'
LOS ANGELES The 45-year-old is quitting the show later this year, and is using his Twitter page to get ideas from his followers about how his character should exit the show.
