I once saw a cat got hit by a vehicle. It was still alive and kinda crawling in its grotesque state, with blood all over. I being the kind hearted soul, ended it's life by rolling over it, since i was driving behind the said vehicle; squishing the life out of it. I was damn proud that i was able to help ease the pain of the cat by ending it's miserable life .
The only drawback was that the ungrateful cat decided to leave a patch of hair on my tires which were a pain to wash off.