The good ones

bulma
technical head of the z warriors
daughter of mr. and ms. Brief
wife of vegeta and mother of trunks and Bra

chiaotzu
a z warrior
friend of tien

chi-chi
mother of gohan
the wife of goku and daughter of ox-king

dende
a namekian
he can cure people
son of guru

Gogeta
Fusion between Goku and vegeta
can become ssj 1 and 2

gohan
a z warrior
a half-sayajin and ssj 1 and 2
son of goku and chi-chi
husband of videl and father of pan

goku
a z warrior
a sayajin and ssj 1,2,3 and 4
husband of chi-chi and father of gohan
He can fuse with Vegeta and become Vegetto or Gogeta

Goten
Second son of Goku and chi-chi
ssj 1 and 2
He can fuse with trunks and become Gotenks

Gotenks
Fusion between Goten and Trunks.
can become ssj 1,2 and 3

krillin
a z warrior
son of master roshi

nail
a namekian
gaurdian of guru
was fused with picollo

piccolo
a namekian
a z warrior
earlier in dragonball he was the bad side of kami

tien
a z warrior
and friend of chiaotzu

trunks
a sayajin, ultrasayajin and ssj 1 and 2
a z warrior
son of bulma and vegeta
He can fuse with Goten and become Gotenks

vegeta
a sayajin and ssj1 and 2
he was evil before but he become good
a z warrior
son of king vegeta
father of trunks and bra and husband of bulma
He can fuse with Goku and become Vegetto or Gogeta

Videl
She's the daughter of mr. Satan and wife of Gohan

yajirobi
a z warrior
he only eats

yamcha
a z warrior
friend of puar his job is baseballer

The evil ones

Android 16
Created by dr. Gero was sent to destroy goku but he become good because he loved earth and didn't want to be it destroyed friend of Android 17 and 18

Android 17
made by dr. gero and he destoyed him
friend of android 16 and 17

android 18
made by dr gero
friend of android 16 and 17
wife of Krillin and mother of marron

android 20
he is the mechanical version of dr. gero
he was an officer in the red lint army
he made android 16, 17, 18, and neinteen android 17 and 18 destroid dr. gero he is also the creator of cell

burter
member of the ginyu force
server of frieza

Brolly
ssj 1 and 2
Born on the same day as Goku and was send for execution by King vegeta but survived

captain ginyu
leader of the ginyu force
server of frieza

Cell
father of cell jr.
he absorbed many people and android 17 and 18

Cell jr.
Sons of Cell
They made gohan go ssj 2 by almost killing the other z warriors.

Cooler
Son of King Cold
brother of Frieza

dodoria
server of frieza

frieza
son of king cold
was re-build after the explosion on namek
it has four stages

garlic jr.
son of garlic.(dragonball)
leader of the spice boys
he can transform if his homeplanet the makyo star is near
he made himself immortal with the dragonball from the dragon shenron
but now is caught in the dead zone forever

guldo
member of the ginyu force
server of frieza

jeice
member of the ginyu force
server of frieza

Majin Buu
Created by bibi-di later recalled by babi-di
later the fat buu joined the good guys
the thin Buu was killed by Goku and returned in Oob

nappa
a sayajin
was a server of vegeta and frieza
he was send by frieza to destroy the earth

radditz
a sayajin
was earlier send then nappa and vegeta by frieza to destroy earth
evil brother of goku
uncle of gohan

recoome
member of the inyu force
server of frieza

saibamen
were created by nappa because he put some seeds in the ground
server of nappa

zarbon
server of frieza
he has two stages

Dragonballs and their dragons

the 7 dragonballs
if you gathered them you can call a dragon and make a wish
the earthdragon is called shenron
and the namekian dragon is called porunga

Porunga
the namekian dragon
you can make three wishes from him but you can only bring one person back to this dimension in one wish

shenron
the earthdragon
you can only make one wish but you can wish a hole bunch of people back to this dimension