Lleyton Hewitt won the 2002 Wimbledon Men's Singles title. He defeated David Nalbandian in the final. This was Lleyton Hewitt's first Wimbledon Singles title.
McEnroe defeated Bjorn Borg in 1981 for his first Wimbledon singles title.
Lleyton Hewitt in 2002.
I think it's Pete Sampras
Henri Cochet won the Wimbledon Mens singles title in 1927 and 1929. He was only 5' 6" tall and is on record as being the shortest winner of Wimbledon