SpongeBob Squarepants: Battle for Bikini Bottom

Main Game
Mini-Bosses (not GBA) Sub-Bosses Final Boss (Not GBA)
 * King Jellyfish
 * Prawn
 * Flying Dutchman
 * Robo-Sandy
 * Robo-Patrick
 * SpongeBot SteelPants
 * Robo-Plankton

GBA Version Only
Sub-Boss Final Boss
 * Robo-Squidward
 * Duplicatron