GOKU

1. Against Raditz (Piccolo killed him because Goku sacrificed himself)

2. Cell (When he self-destructed)

VEGETA

1. Against Freeza

2. Fat Majin Buu (Vegeta tried deadly blast)

GOHAN

1. Against Majin Buu (when he destroyed earth)

GOTEN

1. Against Majin Buu (when he destroyed earth)

TRUNKS

1. Against Majin Buu (when he destroyed earth)

PICCOLO

1. Against Nappa

2. Against Majin Buu (when he destroyed earth)

KULILIN

1. Against Freeza

2. Tamborine

3. Android 17

4. Majin Buu

TENSHINHAN

1. Suicidal Blast against Nappa

2. Against Majin Buu (when he destroyed earth)

CHAOZU

1. Against Piccolo Daimoah

2. Sacrificed himself to try and kill Nappa

3. Against Majin Buu (when he destroyed earth)

YAMCHA

1. Saibamen exploded on him

2. Eaten by Buu

FREEZA

1. Against Gokou (when he first turned super saiya-jin)

2. Against Trunks

NAPPA

1. Vegeta got was angry at his stupidity and killed him.

DODORIA

1. Vegeta blasted him

RADITZ

1. Piccolo's special beam cannon

KUI

1. Against Vegeta

GINYU

1. When Buu blew up the Earth.

GULDO

1. Vegeta's Beam

RECOOME

1. Vegeta blasted him and stepped on his neck

JEICE

1. Vegeta blasted him

BURTER

1. Vegeta stepped on his neck (ouch)

CELL

1. Gohan's Kamehamaha