My top picks include:
Light

Legendary Sun Runner
Earth
Shark Shooter

Shark Tank
Air
Hurricane

Dark Clown Cruiser
Fire

Dark Hot Streak
Water
Missile Tow

Reef Ripper
Life

Stealth Stinger
Undead
Bone Bash

Tomb Buggy
Magic
Big Bubble

Power Blue Splatter Splasher
Tech

Barrel Blaster
Dark

Sea Shadow