Guile

Guile, a first lieutenant in the Air Force receives one day to find and bring order back to the base commander Charlie, who had disappeared. Guile was immediately, leaving his wife and daughter, because Charlie was his friend from school marines. Guile met with Chun-Li, who told him to stop searching because he had gone only after Bison and he was the only one who could stop him, but ignored him. When Guile met Charlie, he had found him Bison and the two fought. Thus, Guile joined Charlie and Chun-Li. They went together to destroy the basis of Shadaloo, but Bison then attacked them, and when Guile was about to be defeated, Charlie stepped in and grabbed Bison enough time for Guile to escape. Guile and Chun-Li were saved but Charlie died in the explosion at the base of Shadaloo with Bison, had sacrificed his life for Guile, who sensed that Charlie was out there somewhere.

Street Fighter II

see video Guile :

After receiving a personal invitation from Bison, Guile (now Commander) participates in the second Street Fighter tournament hoping to avenge Charlie. In its final step opens the tournament up to Bison, but he is about to defeat him appear his wife and daughter, who convinced him to go home with them as they kill Bison did not return the lives of Charlie and corvetiría it to him as a murderer Bison (although the official end of the game is that Chun-Li is the one who defeats Bison and Akuma after killing him) Guile live a happy and quiet life with his family and feels as if awakened from a nightmare.
Street Fighter EX
Guile gets another chun-li invitation to participate in street fighter ex guile fails to reach the last round, but just a shadow (charlie, was not dead, bison became the agent) who reminds him everything and recover your friend.