Jack Gregory, who fought for Australia against South Africa 1921, first reached the fastest test hundred. Gregory only needed 67 deliveries to reach the three-figure mark. By a century run, he beat the previous record (67) in 1921. The record stood until Adam Gilchrist made one in 57 balls, beating it by two runs.
Brendon McCullum
Brendon McGullum achieved his fastest test century by scoring against Australia. He scored the century in 54 balls. This is a break of the 56-ball record by Misbah ul Haiq and Viv Rogers. McCullum struck 16 fours with his innings and four sixes. McCullum scored the century, his second against Australia. It was also the fastest Test cricketer.
Adam Gilchrist
Adam Gilchrist is one of Australia's most accomplished batsmen. He has scored double centuries on three occasions. He hit 204 with just 213 balls during the 2001 South Africa test. In 2001, he also struck a 122 against India at Mumbai. Australia was able to go from 98/5 up to 173 for victory. Gilchrist is well known for his aggression and dominance. Recently, Gilchrist scored an unbeaten 102 in Perth at the WACA during the 2005-06 Ashes. He scored 8 sixes, and 19 fours in the innings.
Sir Vivian Richards
Sir Vivian Richards' 56-ball hundred against the West Indies remains the fastest test century ever made by an Englishman. The former captain has a reputation as one of the most destructive batsmen in Test cricket and was a key player for West Indies. Between 1984-91, he was the captain for 50 Tests. Richards is a former Somerset batsman and one of only four non-English players who have scored 100 first class runs. He was named one of the Wisden Cricketers of the Century.
Ashton Agar
Ashton Agar set the world record in test century speed, beating England in 2012. Ashton Agar, a young Australian cricketer, is just 19 years. Many believed he would set a new record in his debut Test match.
AB de Villiers
Record-breaking century for South Africa's AB de Villiers was a remarkable achievement in cricket. South African batsman AB De Villiers achieved a century using just seventyfive deliveries. This broke the previous record, which was held by Denis Lindsay against Australia. His century was pivotal to South Africa's victory in the 2-0 series.
Sehwag
Virender Sedgega, more commonly known by his nicknames Nawab Najafgarh, Sultan Of Multan and Viru Sehwag, made his international début against Pakistan in 1999. He was not a great debutant, but he transformed his fortunes by scoring a century versus South Africa in 1999. In Test cricket, Sehwag became the first Indian player to achieve a triple century. Sehwag has broken many records during his 14 year international career.
R. C. Fredericks
R. C. Fredericks won the 1975 Test century record for the fastest in the game's history. He was a left-handed player from Berbice who made his debut in the British Guyana Test team in 1963-64. He later played for the West Indies for nine years, appearing in 59 Tests between 1968 and 1977. Fredericks was usually the opener, but also played as a traditional batsman at times.
R. C. Botham
England's All-rounder Ian Botham. He has taken five wickets and reached a hundred in one test. He is the only player to have both the hundred and five wickets in the same series. Botham's first test hundred was a stunning 109 from 87 balls. His century was unbeaten and included 13 fours as well as sixes.