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Yamcha

  
Yamcha (Yamucha), known as Zedaki in the Harmony Gold dub, is introduced as an outlaw and starts out as an antagonist of Son Goku's in order to steal his Dragon Ball and wish not to feel nervous when being near to women. He eventually reforms, becoming an ally and Z Fighter. After participating in Baba's tournament, Yamcha requests to become the pupil of Master Roshi, to which Master Roshi obliges. As result from such training, Yamcha becomes able to develop various energy techniques such as the Kamehameha and the Soukidan, an energy sphere which he can control after throwing it. He soon becomes able to fly and is able to train with various gods from the Dragon Ball universe. After the attack from the Red Ribbon's androids, he quits fighting, noting that he is very weak in comparison to his friends. His constant companion is Puar. During the series, he holds a romantic relationship with Bulma, but they break up some time after Future Trunks' first appearance.

Yajirobe

  
Yajirobe (Yajirobe) is an overweight samurai that Goku meets in Dragon Ball. He is often considered to be rude, unmannered, timid, lazy, and cowardly. He helps Goku prepare for the battle against Piccolo Daimao, and continues to support Goku and his companions, though often from the sidelines. He trains under Kami with the others in order to prepare for the Saiyans, and helps in their victory by cutting off Vegeta's tail. During Dragon Ball, he is a wanderer that lives off the land, but after meeting Korin and discovering the Senzu Beans, which provide the nutrients of ten days worth of meals, restore energy and heal wounds, he decides to live with Korin. He begins growing the beans with him, and often delivers them to Goku and his companions.

Yakon

He was one of the villians of Babidy. He was from Planet of Darkness. He was kept inside a chamber because of his fear. He loves to eat and can even eat energy. He was killed by Goku.

Yamu

He is a human but later on, he was controlled by Babidy. He became one of the villians of Babidy. His aim was to collect energy to wake Margin Buu.