Turtles is a Korean pop group, who have had songs featured in the dance game series 'Pump It Up'. (Not to be confused with the 60's American rock band The Turtles. If you're here due to the 60's American rock band, do last.fm and yourself a favor, Fix your artist tags.) Frontman Im Seong Hoon (Turtleman) was found dead in his apartment on April 2, 2008. He died of a heart attack in his sleep due to the same myocardial infaraction that had put him in the hospital in 2005.