The Son House
DB/DBZ/DBGT Name Meanings

English
 Japanese (Romaji)
Meaning (if I know it)
 Goku  Son Gokuu From the ancient legend of the chinese moneky king Sun Wu Kung aka Sun Hou-tzu aka... see here
 Kakarott  Kakarotto  carrot
 Vegeta  Bejiita  vegetable
 Raditz  Raditz  radish
 Napa  Napa  kind of cabbage (nappa)
 Brolly  Broli  broccoli
 Paragas  Paragas  asparags
 Bartock  Bardok  burdock (japanese people actually eat this!)
 Saiyan Saiya-jin (from Saiya) Yasai means vegetables
 Bra  Ura-chan or Bura-chan  brassier
 Trunks  Torankusu  mens underwear (trunks)
 Bulma Briefs  Buruma Brifusu  joke on bloomers and briefs
 Chi-Chi  Chi-Chi  mother's milk / daddy
 Kryllin  Kuririn  from chestnut (kuri)
 Yamcha  Yamucha  possibly from 'yancha' -.'silly' also dim sum
 Ox King  Gyuumaou chinese legend ox-head demon king
 Master Roshi  Kame-Sen'nin Muten Roshi turtle hermit invincible old master
 Nimbus Kinto'un  kinton is chinese sweet potatos and chestnuts.
 Lunch  Ranshi  lunch
 Kushami  Kushami  sneeze
 Kami  Kami-sama  god
 King Yemma  Enma-Daio  japanese gate-keeper of the dead
 Tien  Tenshinhan A Chinese desert
 Chaozu  Chaozu another Chinese dish - potstickers called gyoza
 Yajerobi  Yajerobi n/a
 Piccolo  Pikkoro The musical instrument (see piccolo-diamoh's gang in Dragon Ball, they're all musical instruments)
 Gohan  Son Gohan  cooked rice / dinner or lunch
 Freiza  Furiza  freezer
 Ginyu these guys are all dairy or meat or something.
 Guldo   need more research
 Recoome    
 Jase    cheese
 Burter    butter
 Dende  Dende a denden-mushi is a snail.
 Nail    sNail.. part of that Namek gag
 Guru  Saichouru  
 King Cold  King Cold  
 Artificial Human  Jinzouningen  (litterally artificial human)
 Cell  Seru  
 #19  Juukyuugou  
 #20  Nijuugou  
 #17  Juunanago  
 #18  Juuhatchigou  
 #16  Juurokugo  
 Goten  Son Goten
 Mr. Savage  Mr. Satan  
 Videl  Bideru  Videl... vi.. del... de...vil.. devil.
 Pan  Pan  bread
 Bibidi    see the disney cinderella song for the next three names... toriyama-san apparently really likes it.
 Babidi    
 Boo (Mr. / Majin)  Buu  Majin = genie (thanks Nadia! ^^)
also Meijin = Master... hmmm...
 Dr. Jerreaux  Dr. Gero