The tennis player who was known as "Rocket" or "The Rockhampton Rocket" is Rod Laver. Laver is widely regarded as one of the greatest tennis players of all time, having won numerous Grand Slam titles and achieved many other accolades during his career. The nickname "Rocket" was given to Laver due to his speed and agility on the court, as well as his powerful serve. Laver was born in Rockhampton, Queensland, Australia, which is why he was also known as "The Rockhampton Rocket".