Kami
Race: Namek
Eyes: Black
Hair: None
Skin: Green
Appears in: DB and DBZ
Killed by: Nappa
Abilities: Barrier, Bukujutsu, Dragon Ball Formation, Kousengan, Mafuba, Mystic Attack, Namek Fusion, Telepathy & Toomi No Jyutsu.
Before the storm on his home planet. Kami went to earth. Here he wanted to become the guardian of planet earth. But he was denied because he had evil in his heart. So after splitting with his evil side, Piccolo Daimoa was created. Piccolo Daimoa was evil and started to destroy cities and people. Furthermore Kami and Piccolo Daimoa are linked together in spirit. If one died the other would die as well. Goku then defeated Piccolo Daimoa, but Kamai didn't die because Piccolo Daimoa produced an offspring from his mouth. Here Piccolo was born. Kami also created the dragonballs on earth, and later he fuses with Piccolo in the Cell saga to become super namek Piccolo.
King Cold
Race: Changeling
Eyes: Black
Hair: None
Skin: Purple
Appears in: DBZ
Killed by: Future Trunks
Abilities: Bukujutsu & Zanzoken.
This is the father of Frieza and Cooler. King Cold finds Freiza in space all injured thanks to Goku. So Kind Cold and Freiza go to earth in hoping to kill the Z fighters. But they are both stopped by future trunks. Trunks kills them both very easily, when he transforms into super saiyan.
Kibito
Race: Unknown
Eyes: Black
Hair: White
Skin: Pink
Appears in: DBZ
Killed by: Dabura
Abilities: Bukujutsu, Kai Kai & Kaifuku.
This is east kaisoshin's (Supreme Kai) assistant. He isn't that strong but his metal ability makes up for this. He is killed by Dabura but he is wished back by Shenron, and then fuses with East Kaioshin.
Kid Buu
Race: Demon
Eyes: Red
Hair: None
Skin: Pink
Appears in: DBZ
Killed by: SSJ2 Goku
Abilities: Bukujutsu, Henka Beam, Multiple Form, Telekenesis, Tsu No Beam, Udebunri Kougeki & Zanzoken.
Kid Buu has no emotions or anything to hold him back from fighting his full potential. He is the final form of majin buu and is the strongest enemy in the Z series. He is then killed by SSj2 Goku with the Chou Genki Dama.
King Vegeta
Race: Saiyan
Eyes: Black
Hair: Black
Skin: Light Tan
Appears in: DBZ
Killed by: Frieza
Abilities: Bukujutsu, Zanzoken
This the father of Vegeta. King vegeta is the king of all saiyans. He then fights frieza but is no match for Frieza and is killed.
Krillin
Race: Human
Eyes: Black
Hair: None (But he wishes for some later)
Skin: Light Tan
Appears in: DB, DBZ and DBGT
Killed by: Death #1 - Tambourine. Death #2 - Frieza. Death #3 - Android #17.
Abilities: Bukujutsu, Fusenko, Kakusandan, Kamehameha, Kienzan, Renzoku Kienzan, Shishin No Ken, Taiyo Kousen Hanshya, Taiyoken, Tsuihidan & Zanzoken.
Krillin is Goku's best friends. They trained together with Master Roshi as their master. He is fairly weak, but tries his best to help out in the battle field. He falls in love with android 18 and later has a daughter named Marron. Here he has hair as he wished for them.