Jonathan D. Bennett (born June 10, 1981) is an American actor and model. He is known for his roles as Aaron Samuels in the 2004 comedy film Mean Girls, Bud McNulty in 2005's Cheaper by the Dozen 2, the title character in the 2009 direct-to-DVD comedy Van Wilder: Freshman Year, and his recurring roles as Casey Gant in the UPN mystery drama Veronica Mars and JR Chandler in the ABC soap opera All My Children. He is the host of the Food Network series Halloween Wars, and he previously hosted Cake Wars.
Bennett was born in Ohio, to David Bennett, a Toledo physician, and Ruthanne Bennett (née Mason). He has two half-brothers, Brian and Brent, and one half-sister, Lisa. Bennett's mother died November 30, 2012, at 67, and his father died on April 28, 2014, at 73.
Bennett attended Eagle Point Elementary School in Rossford, Ohio, and graduated from Rossford High School in 1999. Bennett attended Otterbein University.