Tien

Tien is support character in Dragon Ball Z: Kakarot.

Saiyan Saga
After Chiaotzu blew himself in the fight with Nappa in order to protect Tien, he used his Tri-Beam technique on Nappa to avenge his friend, but at the cost of his own life.

Cell Saga
Equipped with the knowledge that powerful androids would arrive in three years, Tien quickly began to train with his friend Chiaotzu During his training, improved his Tri-Beam technique and developed the Neo Tri-Beam, which allows him to fire multiple blasts. However, the additional power came with even greater risk to his health. Rather than try to keep up with Goku, Vegeta, and the other warriors not from Earth, who continued to reach seemingly impossible levels of power, Tien instead chose to refine his techniques as a martial artist. He didn't participate directly in the Cell Games, but he still showed up to support his friends in their fight to protect the planet.