Dragon Ball Z/SMBSS, SMB3 and SMW

Version 1
Goku as Mario

Piccolo as Luigi

Krillin as Yoshi

Oogtar as Goten

Toad as Gohan

Wario as Vegeta from Mario

Waluigi as Trunks from Mario

Frieza as King Koopa

Version 2
Goku as Mario

Krillin as Luigi

Toad as Gohan

Goten as Yoshi

Tommy as Oogtar

Vegeta as Wario

Trunks as Waluigi

Frieza as King Koopa

DBZ Special Attack References
Kamehameha, Destructo Disc and Final Flash as Fireball