The brother of a Sydney surfer killed in a shark attack has paid a touching tribute to his twin, just days after he was laid to rest. Know the news with the 7NEWS app: Download todayMercury was laid to rest at a service at Archangel Michael Greek Orthodox Church in Crows Nest on Thursday, with twin brother, Mike, saying a part of him had died too. “Did you know that identical twins for the first six to 12 days of their lives from conception are one? Mercury Psillakis, 57, was fatally mauled by a 3.6-metre great white while surfing off Long Reef Beach at Dee Why. Mercury Psillakis had only been surfing at Dee Why for 30 minutes beach when he was attacked.