Tobias "Toby" Isaacs is a Degrassi Community School Class of 2007 graduate. He is the son of Jeff Isaacs and Anne Marie Isaacs. He is also the stepson of Kate Kerwin and stepbrother of Ashley Kerwin. He was best friends with J.T. Yorke, and good friends with Liberty Van Zandt, Emma Nelson, Sean Cameron, Jimmy Brooks, Danny Van Zandt, Derek Haig, Manny Santos and Rick Murray. He was enemies with Johnny DiMarco because he was at the scene when J.T. was murdered by Johnny's friend Drake Lempkey, and didn't do anything to prevent it. Toby was portrayed by Jake Goldsbie.