Kyle Winnetka Baker (born April 13, 1998) is the youngest of the Baker family along with his older twin brother Nigel. He enjoys playing with his father and is seen as mean to his nursery school teacher. He and his older twin enjoy dressing up in costumes and outfits too. Kyle is approximately 5 years old in Cheaper by the Dozen 1 and 7 years old in Cheaper by the Dozen 2.
Kyle is played by Shane Kinsman, the identical twin brother of Brent Kinsman, who plays Nigel Baker.