1. 1920s
2. Actors
3. Adventure Time
4. Age Swap
5. Agents of S.H.I.E.L.D.
6. Aladdin
7. Alice in Wonderland
8. Aliens
9. Alter Ego
10. Amnesia
11. Angels
12. Angels vs Demons
13. Angst
14. Ao no Exorcist
15. April Fools (most likely a one-shot)
16. Assassins Creed
17. Attack on Titan
18. Avatar (Airbender or majestic blue people)
19. Avengers
20. Baseball
21. Batman
22. Beauty and the Beast
23. Blind
24. Body Swap
25. Bodyguard
26. Brain Trauma
27. Burlesque
28. Cancer
29. Can't Die
30. Car Accident
31. Choir
32. Cinderella
33. Clone
34. Code Geass
35. Coma Patient
36. Cosplay
37. Crimelords
38. Crossdressing
39. Curse
40. Deaged
41. Demigods
42. Demon
43. Demon Deals
45. Depression
46. Dimension Hopping
47. Disney
48. Divergent
49. Divorced Parents
50. Doctor and Nurse
51. Dragon Riders
52. Dragons
53. Dream
54. Evil Kitsune
55. Evil Prince
56. Fairies
57. Fandom (i.e. placing Dean Winchester in a Tardis)
58. Finding Nemo
59. Five Nights at Freddy's
60. Football
61. Frozen
62. Game of Thrones
63. Genderbend
64. Genderswap
65. Genetically Altered
66. Gods/Goddesses
67. Greaser
68. Greek Myths
69. Hair Dye (most likely a funny/fluffy one-shot)
70. Heroes
71. Hobbit
72. Homeless
73. Horror
74. Host Club
75. Hunger Games
76. Immortality
77. Injured
78. Little Mermaid
79. Marvel Universe
80. Maximum Ride
81. Medical
82. Medieval
83. Military
84. Mind Control
85. Monsters
86. Movie
87. Multiverse
88. Mutants
89. Mystery
90. Neko
91. Nerd Overload
92. Once Upon a Time
93. Opera
94. Organ Donor
95. Orphans
96. Percy Jackson
97. Personality Change
98. Phantom of the Opera
99. Pole Dancing
100. Police
101. Portal
102. Prank War
103. Princess Bride
104. Princess/Prince
105. Psychic
106. Reincarnation
107. Secret Agents
108. Shapeshifters
109. Species Swap
110. Sports
111. Star Wars
112. Steampunk
113. Steven Universe
114. Supermodel
115. Sword Art Online
116. Time Travel
117. Toddlers
118. Tokyo Ghoul
119. Tron
120. Twins
121. Villains
122. West Side Story
123. Wheelchair
124. Wings
125. Winter Soldier
126. X-Men