. "Trevor the Talking Sideburn is a comic by Greg Heffley. The main character is a man named Douglas with a sideburn named Trevor who can talk and often gets Douglas in trouble by what he says."@en . "Trevor the Talking Sideburn"@en . . . . . . "Trevor the Talking Sideburn is a comic by Greg Heffley. The main character is a man named Douglas with a sideburn named Trevor who can talk and often gets Douglas in trouble by what he says."@en . .