Do this slowly and subtly, with accomplices if at all possible. Say nothing . Do not get caught. Another variant, usable only on people with ceiling fans, is to drop oily screws and metal bits underneath the fan, once every day or so. People become very worried, especially if they sit or sleep beneath the fan.
People suffering from sleep deprivation are also much more entertaining than usual.
Streaking was once a form, but is now too commonplace. Lawbreaking creates the need for police, thus encouraging a police state, which is bad , children. Strive for perfection. It is a form of prayer. Strive for epiphany.