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| Andre Latoilette | Shoot the snowman in front of the cabin in Bigfoot Mountain |
| Atomic Andre | Score 1st place and accomplish all six missions in Bigfoot Mountain |
| Atomic Johnny | Score 1st place and accomplish all six missions in Thugsville |
| Bandito | Shoot the blue stalagmite on the cave ceiling in Coyote Canyon to find him at the very top |
| Baron Von Slaughter | Shoot the Tombstone on the left-hand side of the graveyard in Grave Danger |
| Cactus Rose | Shoot the gallows she's about to be hung on near the church in Coyote Canyon |
| Chef Mick | Hidden underneath some brown lump in Intestinal Track |
| Chicken Sheik Abdul | Score 1st place and accomplish all six missions in Cave of Blunders |
| Clown Marcelo Brothers | Score 1st place and accomplish all six missions in Bombsburg |
| Genie | In Cave of Blunders, go through the left doorway of the castle to find him there |
| Human Baron | Score 1st place and accomplish all six missions in Grave Danger |
| Island Jack | Shoot the snake coiled on a tree near the monkey shrine in Danger Island |
| La Diablita Chiquita | Score 1st place and accomplish all six missions in Coyote Canyon |
| Lt. Jack | Score 1st place and accomplish all six missions in Danger Island |
| Marcels Moreso | Fly through the building on the left hand side of the factory entrace in Bombsburg |
| Margaret Basher | Break open the box from UK that's under the bridge in Thugsville |
| Monkey and SVEN | Beat Torpedo Run with 50,000 points |
| Monkey Pie | Beat Intestinal Track with 50,000 points |
| Pilot X | Beat Pilot X' robot on the last level in adventure mode. |
| Professor Gutentaag | Destroy the yellow submarine containing the Professor in Torpedo Run to unlock him |
| Purple Gremlin | Follow the train tracks in Thugsville on the right-hand side. When you get in the fork in the tunnel, go left. He should be there |
| Queen | She's in a pipe on the right-hand side after coming out of the tunnel in Bombsburg |
| Rubber-Suited Monster | He's behind the buildings on the left hand side of the city in Monster Isle |
| Sambot-5000 | Score 1st place and accomplish all six missions in Monster Isle |
| Sammy Wasabi | Kill the monkey ninja that is about to kill him near the roof of the Bamboo Forest Shrine in Monster Isle |
| Sanitation Paulie | Hidden in an underground passage way near the train tracks in Bandito Attack |
| Shiek Abdul | Kill the man thats about to kill Shiek in the town center of Cave of Blunders |
| Stewardess Traci | Complete Bandito Attack with 50,000 points |
