| #1438 | 1-ball | 1 |
| #1427 | 2-ball | 1 |
| #1457 | 3-ball | 1 |
| #1474 | 4-ball | 1 |
| #1436 | 5-ball | 1 |
| #1426 | 6-ball | 1 |
| #1486 | 7-ball | 1 |
| #2245 | 8-ball | 1 |
| #163 | Cerebral Cloche | 1 |
| #312 | Cerebral Crossbow | 1 |
| #188 | Cerebral Culottes | 1 |
| #444 | Cherry Cloaca Cola | 1 |
| #165 | Claybender glasses | 1 |
| #1488 | Cloaca-Cola fatigues | 1 |
| #1419 | Cloaca-Cola helmet | 1 |
| #1429 | Cloaca-Cola shield | 1 |
| #754 | Crimbo pie | 1 |
| #4250 | Crown of the Goblin King | 1 |
| #538 | cactus fruit | 1 |
| #1107 | can of Red Minotaur | 1 |
| #554 | can of Swiller | 1 |
| #592 | can of maces | 1 |
| #587 | canopic jar | 1 |
| #529 | carbonated soy milk | 1 |
| #330 | cardboard katana | 1 |
| #609 | cardboard ore | 1 |
| #666 | carob chunk cookies | 1 |
| #640 | carob chunk noodles | 1 |
| #731 | carob chunks | 1 |
| #1030 | cast | 1 |
| #687 | cat appendix | 1 |
| #818 | catgut | 1 |
| #216 | catgut taco | 1 |
| #690 | centipede eggs | 1 |
| #1705 | chaos butterfly | 1 |
| #1063 | chef's hat | 1 |
| #664 | cherry | 1 |
| #274 | cherry pie | 1 |
| #775 | chewing gum on a string | 1 |
| #409 | chocolate spurs | 1 |
| #446 | chunk of rock salt | 1 |
| #616 | clay peace-sign bead | 1 |
| #798 | clown shoes | 1 |
| #816 | clown skin | 1 |
| #115 | clown whip | 1 |
| #3274 | club necklace | 1 |
| #185 | clutch of dodecapede eggs | 1 |
| #1224 | cocoa egg | 1 |
| #1228 | cocoa eggshell fragment | 1 |
| #1284 | coconut shell | 1 |
| #597 | coffin lid | 1 |
| #1139 | cog | 1 |
| #777 | cold ninja mask | 1 |
| #374 | cold wad | 1 |
| #150 | cold water bottle | 1 |
| #165 | colorful toad | 1 |
| #86 | combat fan | 1 |
| #883 | commemorative war stein | 1 |
| #52 | complex mushroom wine | 1 |
| #199 | compression stocking | 1 |
| #748 | cool mushroom | 1 |
| #169 | cool mushroom casserole | 1 |
| #864 | cool whip | 1 |
| #850 | cornuthaum | 1 |
| #1243 | cranberries | 1 |
| #951 | crazy little Turkish delight | 1 |
| #541 | creamsicle | 1 |
| #89 | creepy doll head | 1 |
| #200 | creepy ginger ale | 1 |
| #100 | creepy voice box | 1 |
| #706 | crowbarrr | 1 |
| #136 | crude voodoo doll | 1 |
| #125 | custard pie | 1 |
| #1773 | explosion-flavored chewing gum | 1 |
| #885 | jabañero-flavored chewing gum | 4 |
| #1047 | lime-and-chile-flavored chewing gum | 2 |
| #1090 | pickle-flavored chewing gum | 2 |
| #884 | tamarind-flavored chewing gum | 4 |
| #282 | that gum you like | 1 |