1. Sabertooth Fairy
  2. Sabertooth Squirrel
  3. Sacrificial Prawn
  4. Sad Hatter
  5. Sad Panda
  6. Safety Dancer
  7. Salamandarin
  8. Salt-Resistant Slug
  9. Salvador Dalek
  10. Sanctimonious Whiner
  11. Sandboxer
  12. Sans Sheriff
  13. Santa Claws
  14. Sarcastic Samurai
  15. Satan Claus
  16. Satan's Little Helper
  17. Satanic Mechanic
  18. Sawed-off Shogun
  19. Scape Goat
  20. Scare Bear
  21. Scare Tactician
  22. Scared Crow
  23. Scarepion
  24. Scentaur
  25. Scentipede
  26. Schizoid Man
  27. Schizophrenic Hydra
  28. Schoolyard Bully
  29. Schrödinger's Cat
  30. Schrödinger's Possum
  31. Sci-Fly
  32. Scientific Method Actor
  33. Scorntrooper
  34. Scotch Guard
  35. Screen Slaver
  36. Search Engineer
  37. Seasick Crocodile
  38. Secret Satan
  39. Secretary of Fate
  40. Secretary of Offense
  41. Security Badger
  42. Security Chimera
  43. Security Gourd
  44. Seeing-Eye Mole
  45. Seismimic
  46. Self-Appointed Expert
  47. Self-Assassin
  48. Self-Con Troll
  49. Self-Fulfilling Prophet
  50. Self-fulfilling Prophet
  51. Self-Made Mannequin
  52. Self-Sacrificial Lamb
  53. Self-Terminator
  54. Selfish Gene
  55. Semanticore
  56. Semi-Automatic Automaton
  57. Semi-Demi-God
  58. Sensei of Humor
  59. Septic Tank Commander
  60. Serial Killer Bee
  61. Serial Numberer
  62. Serial Self-Killer
  63. Sesame Street Fighter
  64. Seven Year Lich
  65. Seventh Deadliest Sinner
  66. Seventh Lawyer of Hell
  67. Sewer Gator
  68. Sewer Horse
  69. Shadow of a Doubt
  70. Shadow Puppet
  71. Shadow Worrier
  72. Shaman Kong
  73. Shameless Pug
  74. Shampoodle
  75. Sharkshooter
  76. Sharp Dressed Mandrill
  77. Sheep in a Wolf's Clothes
  78. Sheep in Wolf's Clothes
  79. Sheepshifter
  80. Sheepwalker
  81. Shetland Phony
  82. Shift-Shaper
  83. Shishke Blob
  84. Shock Therapist
  85. Shoe Hornet
  86. Shoop Da Whoop
  87. Shooting Tsar
  88. Shopping Mauler
  89. Short-Sighted Visionary
  90. Short-term Prophet
  91. Shoulder Devil
  92. Shoving Leopard
  93. Shrimposter
  94. Shrunken Headmaster
  95. Significant Otter
  96. Silent Alarmist
  97. Silent Knight
  98. Silent Lamb
  99. Silly Goose
  100. Singing Shark
  101. Single Mummy
  102. Sir Caustic
  103. Sir Dance-a-Lot
  104. Sir Render
  105. Sitcom Pilot
  106. Sitting Duck
  107. Sixth Sensei
  108. Skeletoff
  109. Sketchy Artist
  110. Skilleton
  111. Sleeping Dead
  112. Sleepwalking Dead
  113. Slender Man
  114. Slightly Invisible Man
  115. Slim Reaper
  116. Slime Shady
  117. Slithy Tove
  118. Slow Wight
  119. Smashing Pumpkin
  120. Smith Sci-Fly
  121. Smoke Detective
  122. Smoking Gunslinger
  123. Smooth Criminal
  124. Smoothie Operator
  125. Snake Oil Salesman
  126. Snap-Dragon
  127. Snappy Retortoise
  128. Sneerleader
  129. Snobgoblin
  130. Snow Angel
  131. Soccer Mummy
  132. Social Parasite
  133. Social Passivist
  134. Social Security Guard
  135. Socialist Butterfly
  136. Sock Eating Machine
  137. Sock Elemental
  138. Sock Puppetmaster
  139. Socket Wretch
  140. Software Giant
  141. Solar Bear
  142. Soldier of Misfortune
  143. Sole Eater
  144. Son of a Glitch
  145. Son of a Gun
  146. Son of a Witch
  147. Sorceopath
  148. Sore Winner
  149. Soul Proprietor
  150. Space Invader
  151. Space Monkey
  152. Spag-Yeti
  153. Spaghetti Elemental
  154. Spaghetti Westerner
  155. Spambot
  156. Spanish Inquisitor
  157. Spark Pug
  158. Special Character
  159. Spectral Spectre
  160. Speed Sloth
  161. Spell-Podcaster
  162. Spelling Bee
  163. Spice Ghoul
  164. Spice Worm
  165. Spider Pig
  166. Spinal Columnist
  167. Spirit of Competition
  168. Spirit of Repossession
  169. Splitting Hare
  170. Spoiled Milkman
  171. Spork-Wielding Lunatic
  172. Spraying Mantis
  173. Spring Chicken
  174. Sputterfly
  175. Spython
  176. Spywarewolf
  177. Square Groot
  178. Squid Pro Quo
  179. Stalking Horse
  180. Stand-up Chameleon
  181. Standard Deviant
  182. Staple Gunner
  183. Star Shrek
  184. Star-Crossed Astrologist
  185. Stare Master
  186. Starfish Trooper
  187. Starless Knight
  188. Starving Artist
  189. Static Electrician
  190. Steam-Powered Pleasurebot
  191. Steamed Punk
  192. Steel Rat
  193. Stem Cellmate
  194. Stereotypical Villain
  195. Stick Figure
  196. Stomach Bug
  197. Stoned Golem
  198. Stool Pigeon
  199. Strange Stranger
  200. Street Fighter
  201. Street Mage
  202. Stripeless Zebra
  203. Stunt Double Agent
  204. Sturgeon General
  205. Stuttering Mime
  206. Stuttering Spellcaster
  207. Stygian Pixie
  208. Styrofoam Cop
  209. Subconscientious Objector
  210. Subhero
  211. Subliminal Masseuse
  212. Subliminal Messenger
  213. Substitute Creature
  214. Subtracting Adder
  215. Sulphuric Aphid
  216. Sumo Ninja
  217. Sun Dog
  218. Sun-Dried Vampire
  219. Sunbathing Vampire
  220. Sunburned Shadow
  221. Sunday Driver
  222. Superb Owl
  223. Supermanimal
  224. Supersonic Hedgehog
  225. Supersonic Woodpecker
  226. Surprise Mechanic
  227. Surreal Killer
  228. Surveillance Chimera
  229. Suspended Animator
  230. Suspicious Character
  231. Swan Songwriter
  232. Swearcrow
  233. Sweaty Yeti
  234. Sweeny Toad
  235. Swiss Army Knight
  236. Sycophantom
  237. Synchronized Swindler
  238. Syntax Terror
  239. Synthetic Organism