Leto became famous playing bad boy Jordan Catalano on My So-Called Life, but he was always more sexy than psychotic. His casting as the Joker in Suicide Squad was surprising, but what came as even more of a shock? What he did off screen. Leto sent used condoms and dead animals to his costars, amongst other eclectic and downright strange packages. Some believe that the role of the clown prince can mess with actors' heads, and those gestures might prove that rumor is true.