Monsters
- Cliff37
- Cliff49
- Cliff58
- Cliff7
- Cliff70
- Cliff81
- Cliff91 Magic
- Cliff91 Melee
- Cliff91 Ranged
- Cloaked zealot
- Cloaked zealot
- Cloaked zealotNormal mode
- Cloaked zealotNormal mode
- Cloaked zealotStory mode
- Cloaked zealotStory mode
- Clothing Dummy
- Cobalt skillchompa
- Cockatrice
- Cockroach drone
- Cockroach soldier
- Cockroach worker
- Cocooned victim
- Coilspawn
- CoilspawnHard
- CoilspawnNormal
- Colonel Grenda
- Colonel Grimsson
- Colonel Grimsson
- Colonel Grimsson
- Colonel GrimssonBirthright of the Dwarves
- Colonel GrimssonKing of the Dwarves (melee)
- Colonel GrimssonKing of the Dwarves (ranged)
- Colonel Grimsson (holding)
- Colonel Grimsson (holding)Birthright of the Dwarves (holding)
- Colonel Radick
- Colonised Lumbridge guard
- Colonised Varrock guard
- Combat dummy MKII
- Commandeered ZilyanaRegular
- Commandeered Zilyana (hydra)(hydra)
- Commander Akhomet (Imperial)
- Commander ZilyanaHard mode
- Commander ZilyanaNormal mode
- Compost moundAttack
- Compost moundInteract
- Conduit of Ful
- Confused barbarian
- Confusion beast