Olympic and world champion sprinter Usain Bolt of Jamaica holds a three-month old male cheetah cub at the Kenya Wildlife Service (KWS) headquarters in Kenya's capital Nairobi November 2, 2009. The world champion adopted the cheetah cub, the world's fastest animal, named "Lightning Bolt" during the launch of the Animal Adoption Programme "Namayiana" at the Nairobi Animal Orphanage. Picture taken November 2, 2009. REUTERS/Thomas Mukoya (KENYA SPORT ATHLETICS ANIMALS) 

Olympic and world sprint champion Usain Bolt of Jamaica feeds a three-month old male cheetah cub at the Kenya Wildlife Service (KWS) headquarters in Kenya's capital Nairobi November 2, 2009. Bolt adopted the cheetah cub named "Lightning Bolt" during the launch of the Animal Adoption Programme "Namayiana" at the Nairobi Animal Orphanage. REUTERS/Thomas Mukoya (KENYA ANIMALS SPORT ATHLETICS IMAGES OF THE DAY) 

Olympic and world sprint champion Usain Bolt of Jamaica (R) receives a three-month old male cheetah cub from Kenya Wildlife Service (KWS) director Julius Kipng'etich (L) at the KWS headquarters in the capital Nairobi November 2, 2009. Bolt adopted the male cheetah cub named "Lightning Bolt" during the launch of the Animal Adoption Programme "Namayiana" at the Nairobi Animal Orphanage. Picture taken November 2, 2009. REUTERS/Thomas Mukoya (KENYA SPORT ATHLETICS ANIMALS) 

Olympic and world sprint champion Usain Bolt of Jamaica poses with a cheetah at the Kenya Wildlife Service (KWS) headquarters in Kenya's capital Nairobi November 2, 2009. Bolt adopted a three-month old male cheetah cub named "Lightning Bolt" during the launch of the Animal Adoption Programme "Namayiana" at the Nairobi Animal Orphanage. REUTERS/Thomas Mukoya (KENYA ANIMALS SPORT ATHLETICS) 

Olympic and world champion sprinter Usain Bolt of Jamaica (C) and Jochen Zeitz (L), CEO of sports goods maker Puma, pose with a cheetah at Kenya Wildlife Service (KWS) headquarters in Nairobi, November 2, 2009. Bolt adopted a three-month old male cheetah cub named "Lightning Bolt" during the launch of the Animal Adoption Programme "Namayiana" at the Nairobi Animal Orphanage. REUTERS/Thomas Mukoya (KENYA SPORT ATHLETICS ANIMALS BUSINESS) 

Olympic and world sprint champion Usain Bolt of Jamaica feeds a three-month old male cheetah cub at the Kenya Wildlife Service (KWS) headquarters in Kenya's capital Nairobi November 2, 2009. Bolt adopted the cheetah cub named "Lightning Bolt" during the launch of the Animal Adoption Programme "Namayiana" at the Nairobi Animal Orphanage. REUTERS/Thomas Mukoya (KENYA ANIMALS SPORT ATHLETICS) 

Olympic and world champion sprinter Usain Bolt of Jamaica bottlefeeds a three-month old male cheetah cub at the Kenya Wildlife Service (KWS) headquarters in Kenya's capital Nairobi November 2, 2009. The world champion adopted a cheetah cub named "Lightning Bolt" during the launch of the Animal Adoption Programme "Namayiana" at the Nairobi Animal Orphanage. Picture taken November 2, 2009. REUTERS/Thomas Mukoya (KENYA SPORT ATHLETICS ANIMALS) 

Olympic and world sprint champion Usain Bolt of Jamaica poses with a cheetah at the Kenya Wildlife Service (KWS) headquarters in Kenya's capital Nairobi November 2, 2009. Bolt adopted a three-month old male cheetah cub named "Lightning Bolt" during the launch of the Animal Adoption Programme "Namayiana" at the Nairobi Animal Orphanage. REUTERS/Thomas Mukoya (KENYA ANIMALS SPORT ATHLETICS) 

Olympic and world sprint champion Usain Bolt of Jamaica holds a three-month old cheetah at the Kenya Wildlife Service (KWS) headquarters in Kenya's capital Nairobi November 2, 2009. Bolt adopted the male cheetah cub named "Lightning Bolt" during the launch of the Animal Adoption Programme "Namayiana" at the Nairobi Animal Orphanage. Picture taken November 2, 2009. REUTERS/Thomas Mukoya (KENYA SPORT ATHLETICS ANIMALS) 

Olympic and world champion sprinter Usain Bolt from Jamaica holds a three-month-old male cheetah cub at the Kenya Wildlife Service (KWS) headquarters in Nairobi, November 2, 2009. Bolt adopted the cheetah cub named "Lightning Bolt" during the launch of the Animal Adoption Programme "Namayiana" at the Nairobi Animal Orphanage. REUTERS/Thomas Mukoya (KENYA SPORT ATHLETICS ANIMALS) 

Olympic and world champion sprinter Usain Bolt of Jamaica holds a three-month old male cheetah cub at the Kenya Wildlife Service (KWS) headquarters in Kenya's capital Nairobi November 2, 2009. The world champion adopted the cheetah cub, the world's fastest animal, named "Lightning Bolt" during the launch of the Animal Adoption Programme "Namayiana" at the Nairobi Animal Orphanage. Picture taken November 2, 2009. REUTERS/Thomas Mukoya (KENYA SPORT ATHLETICS ANIMALS) 

Olympic and world champion sprinter Usain Bolt of Jamaica holds a three-month-old male cheetah cub at the Kenya Wildlife Service (KWS) headquarters in Kenya's capital Nairobi November 2, 2009. The world champion adopted the cheetah cub, the world's fastest animal, named "Lightning Bolt" during the launch of the Animal Adoption Programme "Namayiana" at the Nairobi Animal Orphanage. Picture taken November 2, 2009. REUTERS/Thomas Mukoya (KENYA SPORT ATHLETICS IMAGES OF THE DAY ANIMALS) 

Olympic and world sprint champion Usain Bolt of Jamaica holds a three-month old cheetah at the Kenya Wildlife Service (KWS) headquarters in Kenya's capital Nairobi November 2, 2009. Bolt adopted the male cheetah cub named "Lightning Bolt" during the launch of the Animal Adoption Programme "Namayiana" at the Nairobi Animal Orphanage. Picture taken November 2, 2009. REUTERS/Thomas Mukoya (KENYA SPORT ATHLETICS ANIMALS)