Saiyajins 

Kakaroto - carrot 
Goku - "ku" japanese for sky 
Radditz - "raddish" 
Goten - "ten" japanese for heaven or afterlife 
Nappa - chinese for "cabbage" 
Gohan - japanese for "rice" 
Bra - women's bras 
Pan - pun on "bread" 
Trunks - boy's underwear 
Vegeta - "vegetable" 
Brolly - "brocoli" 
Turles - a bull call 
Paragus - esparagus 
Saibamen - Plant men 
Bardock- Root 


Earthlings 

Bulma - bloomers, japanese for women's underwear/shorts. 
Marron - marron, japanese spelling of the french word. 
ChiChi - breasts 
Pilaf - pilav, japanese for rich dish 
Dr. Briefs - men's underwear 
Yamucha - "dim sum" in chinese 
Chaozu - chinese for "gyoza": stickers 
Lunch - self-explanatory 
Tien - fried rice 
Puar - chinese pun of "puh er" a type of tea 
Krillin - japanese for "chestnut" 
Oolong - chinese for "wulong": Amber Tea 
Videl - "devil" 
Mr.Satan - satan 
Lucifer - Pun on Satan's angelic name 
Muten Roshi - filter paper 
Sharpener - a pencil sharpener 
Udo - wood 
Supa Man - a pun on the man of steel 
Jewel - a shiny rock 
Cocoa - cooking ingredient and winter favorite 
Killer - murderer, killer 
Shura - fighting 
Hacchi - a bowl 
Ginger - a spice 
Shura - fighting 
Hacchi - a bowl 
Hasukii - husky, fat 
Jinku - Lively song 
Kakao - seed used to make cocoa 
Bun - Pun on a type of bread 
Butter - butter 
Emi - Japanese for smile 
Dr. Kori - koori is Japanese for ice 
Dr. Kochin - kouchin means wages or pay 
Captain Chicken - Pun on his name came from the fact
       that he ran away after seeing Vegeta's strength 
Akkuman - Aku meaning evil 
Dr. Willow - Wheel 
Bacterian - bacteria 
Baba - fortune telling old woman 
Chindai Ken - Great Pekinese emperor 
Chinshyou Ken - Great Show emperor 
Grandma Hakkeke - clothe used inside cuffs 
Jackie Chun - Jackie Chan 
Ikose - pun on ikousei meaning transitional 
Kaizoku Robo - Robot Pirate 
Maron - chestnut 
Papaya Man - a papaya 
Karin - Quince. Quince is an apple-like fruit. 
Kid Katsu - Katsu meaning cutlet 
Kokuou - king 
Mai - linen robe 


Nameks 

Piccolo - flute 
Drum - drum 
Nail - pun on "snail" 
Cymbol - a cymbol 
Dende - japanese for "denden mushi" 
Piano - a piano 
Tsuno - japanese for "horn" 
Tamborine - a tamborine 
Kami - japanese for "god" 
Kargo - escargo 
Slug - a slug 


Villians 

Bibidi - pun on Cinderalla: bibidibabidibuu 
Babidi - same as above 
Buu - same as above 
Cell - a cell 
Cooler - a cooler 
Gurudo - "yoguruto" japanese for yogurt 
King Cold - cold 
Jeice - "cheese" 
Freezer - a freezer 
Burter - japanese for "butter" 
Kui - a chinese fruit 
Ginyu - japanese for "milk" 
Dodoria - pun on "doria": japanese for tasty dish 
Recoome - cream 
Zarbon - a japanese fruit 
Raspberry - a fruit 
Blueberry - again, a fruit 
Garlic - Garlic 
Garlic Jr. - Same as above 
Ginger - spice 
Vinegar - vinegar 
Nikki - diary; journal 
Cashew - a tasty nut 


Miscellaneous 

Bubbles - Maybe a pun on Michael Jackson's monkey? 
Lord Enma - devil, ruler of hades 
Aqua - water 
Catapy - Pun on catapillar 
Oribu - an olive 
Frog - frog 
Raisin - a raisin 
Bujin - military man 
Domma - doma meaning dirt floor 
Zangya - pun on zangyaku meaning cruelty
Daizu - Soya Bean 
Gaseteru - shining gas 
Amondo - aamondo meaning almond 
Sugoro - child's dice game 
Shamoseijin - Shamo meaning game fowl 
Bebi - baby 
Bun - Pun on a type of bread 
Kinto cloud - candy cloud (Nimbus) 
Tsufurujin - Fruits