Characters That Already Have Bios:

Goku
Gohan
Goten
Vegeta
Piccolo
Bulma
Chi Chi
Videl
Nappa
Radditz

Characters That Dont Have Bios That Could Get One

Bardock
Bra
Brolli
Bubbles
Burter
Buu
Cell
Chaozu
Chi Chi
Demon King Piccolo
Dende
Dordrea
Dr. Gero
Freeza
Ginyu
Gogeta
Gotenks
Gregory
Guru
Jeice
Kami
Karin
King Cold
King Kai
King Vegeta
King Yemma
Krillin
Marron
Maron
Master Roshi
Mr. Popo
Hercule
Nappa
Oolong
Ox-king
Pan
Radditz
Saibaimen
Tien
Trunks
Vegetto
Videl
Yajirobe
Yamcha
Zarbon
Andriods
Babidi
Bora
Boss Rabbit
Crane Elder
Dai Kaio
Cooler
Gill
Goldo
Goz
Grampa Gohan
Hildegarn
Kaiohshin
Kibito
Kwi
Lemlia
Lunch
Mez
Minosha
Mr. & Mrs. Briefs
Mutaito
Paras
Pilaf
Porunga
Princess Snake
Pwar
Raiichi & Zaakro
Recoome
Taurus
Tapion
upa