Z Fighters

Name: Goku
Race: Saiyan
Abilities: Fly, Dragon Fist, Fusion, Spirit Bomb, Jan-Ken Punch, Kaioken, Kamehameha, Kiaiho, Oozaru, Renzoku Energy Dan, Shunkanido, Solar Flare, Zanzoken
Goku is the most powerful character on the Dragonball series. He is good-natured, honest, and has a good heart. Goku is strongest of the Saiyajin, excluding his son Gohan and Brolli the legendary Super Saiyajin. Son Goku is the first to surpass all Super Saiyajin levels. He is determined to protect the Earth as well as the universe from the forces of all evil.

Name: Gohan
Race: Human/Saiyan
Abilities: Fly, Kamehameha, Masenko, Oozaru, Renzoku Energy Dan, Zanzoken
Gohan is the son of Goku and Chi-Chi. He is very similar to his father and strong as all true Saiyans should be. He is the first to change into Super Saiyan 2 and was first trained by Piccolo. The training from Piccolo resulted in revealing Gohans true Saiyan powers.

Name: Piccolo
Race: Namekian
Abilities: Fly, Chonoryoku, Energy Dan, Eye Lazers, Kakusanyudokodan, Kyodaika, Makankosappo, Regeneration, Renzoku Energy Dan, Merging, Shogekiha, Tsuihidan, Zanzoken
Piccolo is the second strongest being on the planet Earth. Piccolo was Goku's enemy, but later was forced to fight together against Radditz which resulted in Piccolo joining Goku in the fight of evil. He was the one who trained Gohan to fight and reveal his hidden powers.

Name: Krillin
Race: Human
Abilities: Fly, Double Tsuihikidan, Fusenko, Fusion, Kakusandan, Kamehameha, Destructo Disk, Shishin No Ken, Solar Flare, Zanzoken
Krillin is Goku's best friend. They been friends since they trained together with Master Roshi. Krillin is the strongest Earthling to live on Earth and battles enemies that he comes across. When things get tough, he tries the be humorous to cheer everyone ku'up.

Name: Yamcha
Race: Human
Abilities: Fly, Kamehameha, Rogafufuken, Sokidan
Yamcha is one of the few human fighters in DragonBall Z. He is usually accompanied by a little, flying cat named Puar and is a longtime friend and ally of Goku. Bulma has a big crush on him and wants to marry him, but Bulma's dream of marrying him was shattered when Yamcha was killed by one of the Saibamen that Vegeta and Nappa created. But later the DragonBall Z crew was sent off to the planet Namek to gather dragonballs so that they can wish all the people killed by Vegeta and Nappa. When they did, they finally wished everyone back including Yamcha and Bulma once again fell in love, but later on in the dragonball series, Bulma thinks that Yamcha is too much of a flirt and can't be loyal to her. Although he is not cheating on her, he gets caught by her in awkward situations so they break up. She then falls in love with Vegeta seeing how he is lonely. Vegeta is at first reluctant but eventually does become a family man and good hearted.

Name: Tien
Race: Human (Eternal Child)
Abilities: Fly, Dodonpa, Kamehameha, Kiai, Kikoho, Mafuba, Shiyoken, Solar Flare, Zanzoken
Tien has three eyes as you can see from the picture, but only two of them work, I don't know what the third one is for. Tien was originally trained as an assassin under one of Master Roshi's rivals. But after a while, he realized that he did not want to be an assassin and join the Z fighters along with his best friend, Chaiotzu.

Name: Chiaotzu
Race: Unknown
Abilities: Fly, Chonoryoku, Dodonpa
Not much information about this little white guy except that he's Tien's best friend and they usually fight together in battles. One of the battles they fought together was when Chiaotzu and Tien fought against the saiyans named Vegeta and Nappa. Chiaotzu threw himself on Nappa's back and self-destruct hoping to kill Nappa in the process, but it didn't work and he killed himself. Later he was wished back by the dragonballs.

Name: Yajirobe
Race: Human
Abilities: Cuts things with his sword, Eats
Yajirobe is a good guy who eats a lot of food. He doesn't fight as much as others, in fact, he doesn't really fight at all. But when others really need him, he comes through and forces himself to save them.

Name: Vegeta
Race: Saiyan
Abilities: Big Bang Attack, Fly, Fusion, Galet Gun, Destructo Disk, Oozaru, Zanzoken
Vegeta is a ruthless and deceiving saiyan. He is the prince of the planet Vegeta and was taken away from his kingdom by Frieza when he was young. It was Frieza that taught him how to be bad and turn to the side of evil. Vegeta was first introduced after Goku and Piccolo killed Raditz. He was accompanied by his companion Nappa who was also a saiyan. They came to Earth hoping to find the dragonballs so that they can wish for immortality. But when they came, the Z fighters were ready for battle and fought until Vegeta left. Vegeta later went to Namek hoping to find other dragonballs, but also knew that Frieza was there too. Vegita then join the Krillin and Gohan along with Goku to fight Frieza and save the universe. Vegeta later join the Z team, but still ruthless.

Name: Trunks
Race: Human/Saiyan
Abilities: Fly, Burning Attack, Finish Buster, Fusion, Kamehameha, Masenko, Renzoku Energy Dan, Zanzoken
Trunks is the son of Vegeta and Bulma, which is very odd since they have nothing at all in common. He first appeared when he went back in time to warn Goku and the Z Fighters about the Androids. When he went back in time, he met Frieza, which was in the process of destroying the Earth, but Trunks turned into a Super Saiyan and kill Frieza and King Cold (Frieza's father) without effort. This amazed the Z Fighters while they watched, but they never knew his name or who he was because it might prevent Bulma and Vegeta from having Trunks. He talked to Goku about the Androids and gave him a medicine that will help him cure the heart disease that he is going to get. More about him can be read in the Sagas.

Name: Dende
Race: Namekian
Abilities: Fly, Heal
Dende is from planet Namek. Gohan and Krillin first met him while they were looking for the dragonballs on Namek. Dende has a large part in the Dragonball series and possesses healing power that were used during the fight of Frieza. He later replaces Kami as the guardian of the dragonballs on Earth.

Name: Nail
Race: Namekian
Abilities: Basically the same as Piccolo
Nail is from the planet Namek and the is guardian of the Namek's eldest namek named Guru. He was later forced to fuse with piccolo after Frieza weaken him in a battle. Both Piccolo and nail fought against Frieza with increadible power.