Answer
Tommy Dreamer has won the ECW World Heavyweight Championship twice. His first reign began on April 13, 2000, when he defeated Tazz at Wrestlepalooza 2000. He held the title for 168 days before losing it to Justin Credible at Guilty as Charged 2001. Dreamer regained the championship on January 13, 2002, by defeating Rhino at Guilty as Charged 2002.