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-Sacrificial Lamb
  51. Self-Terminator
  52. Selfish Gene
  53. Semanticore
  54. Semi-Automatic Automaton
  55. Semi-Demi-God
  56. Sensei of Humor
  57. Septic Tank Commander
  58. Serial Killer Bee
  59. Serial Numberer
  60. Serial Self-Killer
  61. Sesame Street Fighter
  62. Seven Year Lich
  63. Seventh Deadliest Sinner
  64. Seventh Lawyer of Hell
  65. Sewer Gator
  66. Sewer Horse
  67. Shadow of a Doubt
  68. Shadow Puppet
  69. Shadow Worrier
  70. Shaman Kong
  71. Shameless Pug
  72. Shampoodle
  73. Sharkshooter
  74. Sharp Dressed Mandrill
  75. Sheep in a Wolf's Clothes
  76. Sheep in Wolf's Clothes
  77. Sheepshifter
  78. Sheepwalker
  79. Shetland Phony
  80. Shift-Shaper
  81. Shishke Blob
  82. Shock Therapist
  83. Shoe Hornet
  84. Shoop Da Whoop
  85. Shooting Tsar
  86. Shopping Mauler
  87. Short-Sighted Visionary
  88. Short-term Prophet
  89. Shoulder Devil
  90. Shoving Leopard
  91. Shrunken Headmaster
  92. Significant Otter
  93. Silent Alarmist
  94. Silent Knight
  95. Silent Lamb
  96. Silly Goose
  97. Singing Shark
  98. Single Mummy
  99. Sir Caustic
  100. Sir Dance-a-Lot
  101. Sir Render
  102. Sitcom Pilot
  103. Sitting Duck
  104. Sixth Sensei
  105. Skeletoff
  106. Sketchy Artist
  107. Skilleton
  108. Sleeping Dead
  109. Sleepwalking Dead
  110. Slender Man
  111. Slightly Invisible Man
  112. Slim Reaper
  113. Slime Shady
  114. Slithy Tove
  115. Slow Wight
  116. Smashing Pumpkin
  117. Smith Sci-Fly
  118. Smoke Detective
  119. Smoking Gunslinger
  120. Smooth Criminal
  121. Smoothie Operator
  122. Snake Oil Salesman
  123. Snap-Dragon
  124. Snappy Retortoise
  125. Sneerleader
  126. Snobgoblin
  127. Snow Angel
  128. Soccer Mummy
  129. Social Parasite
  130. Social Passivist
  131. Social Security Guard
  132. Socialist Butterfly
  133. Sock Eating Machine
  134. Sock Elemental
  135. Sock Puppetmaster
  136. Software Giant
  137. Solar Bear
  138. Soldier of Misfortune
  139. Sole Eater
  140. Son of a Glitch
  141. Son of a Gun
  142. Son of a Witch
  143. Sore Winner
  144. Soul Proprietor
  145. Space Invader
  146. Space Monkey
  147. Spag-Yeti
  148. Spaghetti Elemental
  149. Spaghetti Westerner
  150. Spambot
  151. Spanish Inquisitor
  152. Spark Pug
  153. Special Character
  154. Spectral Spectre
  155. Speed Sloth
  156. Spell-Podcaster
  157. Spelling Bee
  158. Spice Ghoul
  159. Spice Worm
  160. Spider Pig
  161. Spinal Columnist
  162. Spirit of Competition
  163. Spirit of Repossession
  164. Splitting Hare
  165. Spoiled Milkman
  166. Spork-Wielding Lunatic
  167. Spraying Mantis
  168. Spring Chicken
  169. Sputterfly
  170. Spython
  171. Spywarewolf
  172. Square Groot
  173. Squid Pro Quo
  174. Stalking Horse
  175. Stand-up Chameleon
  176. Standard Deviant
  177. Staple Gunner
  178. Star Shrek
  179. Star-Crossed Astrologist
  180. Stare Master
  181. Starfish Trooper
  182. Starless Knight
  183. Starving Artist
  184. Static Electrician
  185. Steam-Powered Pleasurebot
  186. Steamed Punk
  187. Steel Rat
  188. Stem Cellmate
  189. Stereotypical Villain
  190. Stick Figure
  191. Stomach Bug
  192. Stoned Golem
  193. Stool Pigeon
  194. Strange Stranger
  195. Street Fighter
  196. Street Mage
  197. Stripeless Zebra
  198. Stunt Double Agent
  199. Sturgeon General
  200. Stuttering Mime
  201. Stuttering Spellcaster
  202. Stygian Pixie
  203. Styrofoam Cop
  204. Subconscientious Objector
  205. Subhero
  206. Subliminal Masseuse
  207. Subliminal Messenger
  208. Substitute Creature
  209. Subtracting Adder
  210. Sulphuric Aphid
  211. Sumo Ninja
  212. Sun Dog
  213. Sun-Dried Vampire
  214. Sunbathing Vampire
  215. Sunday Driver
  216. Superb Owl
  217. Supersonic Hedgehog
  218. Supersonic Woodpecker
  219. Surprise Mechanic
  220. Surreal Killer
  221. Surveillance Chimera
  222. Suspended Animator
  223. Suspicious Character
  224. Swan Songwriter
  225. Sweaty Yeti
  226. Sweeny Toad
  227. Swiss Army Knight
  228. Sycophantom
  229. Synchronized Swindler
  230. Syntax Terror
  231. Synthetic Organism