Piccolo!

Garlic Junior!

And Brolly!

Really, Toriyama did this a lot. I believe he was once quoting as saying he finds it funny.

More examples:

Kakarot: Carrot

Vegeta: Vegetable

Pan: "Bread" in a few languages, such as Italian.

Jeice: Juice

Burter: Butter

Broly: Broccoli

Dodoria: Durian (Note the spiky forearms, much like those of a durian fruit)

Cui: Kiwi

Guldo: Gourd (His overall shape, too.)