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