Answer
The answer is Dylan Sprouse. Cole and Dylan Sprouse are identical twins who starred in the popular Disney Channel series "The Suite Life of Zack & Cody" from 2005 to 2008 and its spin-off "The Suite Life on Deck" from 2008 to 2011. In the series, Cole portrayed the character of Cody Martin, who was known for his intelligence and love of reading, making him the "book-smart" brother.