Name: Yam
Eyes: Black
Hair: (none)
Skin: Light Tan
Race: Human (Ma-jin)
Appears in: DBZ
Attacks: Bukujutsu
One of the only human's under Babidi's control, Yam was sent with his partner to the Tenkaichi Budoukai to gather energy for Buu. When Gohan transformed into Super Saiya-jin 2, they quickly got his energy and flew back to Babidi's ship. Not seeing any reason to keep them around, Puipui killed Yam.

Name: Yakon
Eyes: Black
Hair: (none)
Skin: Green
Race: Ma-jin
Appears in: DBZ
Attacks: Bukujutsu, Light Absorb
Yakon was one of the minion's of Babidi who fought against the Z fighters. He was in level 1 of Babidi's ship and faced off against Goku. During the fight, Babidi transported everyone to Yakon's homeplanet which was completely dark. Goku was still able to beat up on Yakon by just sensing his movements. To gain more advantage, Goku transformed into Super Saiya-jin only to have his energy 'absorbed' by Yakon. Goku had an idea however and proceeded to transform again. When Yakon began to absorb the energy, Goku upped the transformation into level 2 and the energy was too much for Yakon and he exploded. They were then transported back to the ship.

Name: Yuzukaa
Eyes: Black
Hair: White
Skin: Light Tan
Race: (none)
Appears in: DBZ
Attacks: (none)
Goku's driving instructor during the time before the Cell games, Yuzukaa attempted to teach Goku how to drive. However, this task almost killed him because Goku sucked at driving. After Goku and Piccolo save a bus from falling off a cliff, Yuzukaa told them they didn't need licenses with that kind of power.
    

Name: Yajirobi
Eyes: Black
Hair: Black
Skin: Light Tan
Race: Human
Appears in: DB, DBZ, DBGT
Attacks: (none)
Yajirobe was first met by Goku after Goku was defeated by Piccolo's dominion Tamborine. At the time, Yajirobe was quite strong and had a huge appetite! He plays a good role in DragonBall when he carries Goku's limp body up Karin Tower. The next big part he plays was during the Saiya-jin Saga when he cut off Vegeta's tail and tried to fight Vegeta. However, he was too weak to win. After this he does not play any more large roles, and lives the rest of his life on Karin Tower.