Trevor McKinney is a character in the movie "Pay it forward", played by Haley Joel Osment.
Trevor is a 12-year-old boy whose homework is to come up with an idea which could change the world for the better. He cames up with a plan that everyone who gets a favor should do three favors (really big things that a person cannot do themselves) to another to pay it forward instead of doing a favor to the one who did the favor. At the end of the movie, he has succeeded with his plan and fullfilled two of his plans, (the first one was helping a bum to get his life back, the second was making his mother and teacher fall in love with each other)he decides to complete his third plan which is to help his bullied friend Adam. As Trevor bicycles home, he spots the three bullies beating up Adam and throws away his bicycle and starts to lead the bullies away from pulls out a knife to threat him. However, one of the bullies accidentally pushes Trevor onto the knife, stabbing him in the tummy. As the blood pours out from his wound, he collapses on the ground. Soon afterwards, his mother and the teacher arrives to the scene and he is sent to the hospital where he dies of his injuries.