Zorba with a registered name Aicama Zorba of La-Susa and owned by Chris Eraclides of London, England, was the name of now deceased English Mastiff from England, recognized by the Guinness Book of World Records as the heaviest dog in the world, at over 343 pounds (156 kg). Zorba stood 37 inches (94 cm) at the shoulder and was 8 feet 3 inches (251 cm) from the tip of his nose to the tip of his tail. Zorba set this record in November, 1989, when he was 8 years old.