Dragon Ball Z: Budokai Tenkaichi 2 PS2 Cheats

Easy Zenny:

In the Buu Saga, head to the top right corner of the map where you'll find Mountain Trail. Yamcha is inside and will ask you to complete a challenge. Beating it gives you 100,000 zenny. You can repeat this simply by reselecting the chapter.

Budokai Tenkaichi 1 Bonus:

If you have save data from Dragon Ball Z: Budokai Tenkaichi 1 on your memory card, you'll get 100,000 zenny.

Unlockable Characters:

100% Full Power FriezaSuper Transformation + Final Form Frieza
Android 13Computer + Hatred
Android 13 FusionAndroid 13 + Parts of #14/#15
Baby VegetaBaby + Vegeta (second form)
BojackUnsealed + Galactic Warrior
BrolySon of Paragus + Hatred of Goku
Broly Legendary Super SaiyanSuper Saiyan Broly + Breakthrough limit
Broly Super SaiyanBroly + Super Saiyan
BurterBeat him in Story mode
Captain GinyuBeat him in story mode
Cell PerfectSelf destruction + Cell Perfect Form
CoolerFrieza's Brother + Hatred of Goku
CuiFrieza's Henchmen + Vegeta's Rival
CuiVegeta's Rival + Frieza's soldier
Evil BuuEvil Human Cannonball + Majin Buu
Final Form CoolerSuper Transformation + Cooler
FriezaBeat him in story mode
Garlic Jr.Dead Zone
Garlick Jr.Demonic Star + Dead Zone
Gohan Super BuuGohan Absorbed + Evil Buu
Gotenks Super BuuGotenks Absorbed + Evil Buu
Grandpa GohanFox Mask + Master Roshi's pupil
Great Ape BabySuper Baby 2 + Artificial Blutz Wave
Great Ape BardockPower Ball + Bardock
Great Ape NappaPower Ball + Nappa
Great Ape RaditzPower Ball + Raditz
Great Ape TurlesPower Ball + Turles
Great Ape VegetaPower Ball + Vegeta (Scouter)
GuldoBeat him in Story Mode
HirudegarnHildegarn's top half + Hildegarn's lower half
JanembaSaike demon + People's bad energy
JeiceBeat him in Story mode
KibitoshinSupreme Kai + Kibito
KibitoshinKibito + Supreme Kai
Majin Buu (Pure evil)Human gunman's gun + Majin Buu
Master RoshiDefeat Raditz with Goku
Mecha FriezaReconstructive Surgery + 100% Full Power Frieza
Metal CoolerBig Gete Star + Cooler
Monster ZarbonBroken Seal + Zarbon
NappaBeat him in Story
Perfect CellCell saga
RaditzBeat him in Story
RecoomeBeat him in Story Mode
SalzaCoolers soldier + Armored Cavalry
SauzerArmored Troopers + Cooler's Henchmen
SSJ 2 GokuDefeat Majin Vegeta
SSJ 3 GokuDefeat Fat Buu
SSJ Adult GohanHistory of trunks
SSJ GokuDefeat Freeza as SSJ Goku
SSJ trunks (with sword)History of trunks
Super Android #17HFIL fighter #17 + Android 17
Super Baby 1Baby Vegeta + Lower class Saiyan
Super Baby 2Super Baby 1 + Power from lower class
Super Buu Gohan absorbedAbsorb Gohan + Super Buu
Super Buu Gotenks absorbedAbsorb Gotenks + Super Buu
Super Garlick Jr.Giant Form + Garlick Jr.
Super JanembaJanemba + Ultimate transformation
Super Perfect CellSuicide Bomb + Perfect Cell
Super Yi-Shin-LongSyn Shenron + Ultimate Dragonball
Syn ShenronEvil dragon + Negative energy
TurlesThe Tree of Might
TurlesLower-Class Saiyan Soldier + Fruit of the Gods
Vegeta (android saga)Metal-cooler movie/android saga
VegitoGoku + Vegeta
YajirobeSaiyan Saga
ZangyaThe flowers of evil + Galactic Warrior

Kid Goku:

To unlock kid Goku face grandpa Gohan in a free event in Destined rivals Story after you beat grandpa Gohan you will be rewarded (Master Roshi's pupil and Kid goku)

Thanks to Revolution Readers Kelvin, Jacob, Cory, Filmore, XDX, ahaho, Johsua Carnate and princess_m!