Deepfry them.
enclose them in a box and they'll eventually freak out enough that they'll just die.
Convince them, then as they take that last step say something like "WAIIITTTTTTTTTTT!!!!!!!!"Convince them into commiting suicide. Nothing beats that
Sephiro this here.
or at the hands of Chuck Norrizzle
Death by pelippers.
Lock them in a room with thier leg attached to something and give them a butter knife. And if they don't die from bleeding to death or starvation then yuo just set the bomb that's panted on thier shoe off.
That depends on whether or not urine can conduct electricity.
Darts or poison. Not too messy, and it gets the job done.
Fatality of course.
Shoot 'em, grind them up, and put 'em in chili.