Tenshinhan

"I might just be a pothole in the road to you big guy, but it's going to be one heck of a deep pothole!"

— "Say Goodbye, 17"

Tien Shinhan is a Dragon Ball Z Hero and a Z Fighter he original starts out as a Villain but Becomes a Hero he defeated Goku in the Martial Arts tournament becoming the Champion his best friend is Chiaotzu a small white red checked human Tien is the strongest Human on the show with the exception of Uub and becomes one of Gokus greatest allys his attacks include Tri-Beam Cannon a super strong blast attack which damged semi perfect Cell and Solar Flare which blinds the opponet.

Saiyan Saga
During the Saiyan Saga Tien Chiaotzu Krillin Yamcha and Yajirobe all trained on Kamis look out to battle the Saiyans Tien was killed by Nappa even though he put up a power full fight and was enraged for the death of his best friend Chiaotzu Tien Like Piccolo Chiaotzu and Yamcha goes on to train with King Kai.

Frieza Saga
Tien Piccolo Chiaotzu and Yamcha are on King Kais planet and recive traning from King Kai Tien makes amazing progress and Goes from losing to Nappa the ruth less Saiyan to defeating Jeice and Burter members of the Ginyu Force.