Jessi Slaughter's Dad, of 'You Done Goofed' Fame, Dies Max Read · 08/16/11 08:20PM Gene Leonhardt, whose odd threats in defense of his daughter Jessi "Slaughter" spawned several internet in-jokes, has died of a heart attack at 53. In March, he was arrested for punching Jessi, who now lives in foster care. [via @Beschizza]