TemplateFull names and the media they’re from:
Canon or semi-canon:
Proofs:

COUPLES

1. Kirishima Eijirou and Katsuki Bakugou from Boku No Hero Academia
2. Achilles and Patroclus from Hades and Mythology in general
3. Jean Kirstein and Marco Bott from Shingeki No Kyojin
4. George and Lance from She-Ra and the princesses of power
5. Josuke Higashikata and Okuyasu Nijimura from Jojo's Bizarre Adventure: Diamond is Unbreakable
6. Periwinkle and Pastille from Starry Flowers
7. Dex and Kenxi from Guardians of the Citadel
8. Atsushi Najima and Osamu Dazai from Bungou Stray Dogs
9. Joseph Joestar and Caesar Zeppeli from Jojo's Bizarre Adventure: Battle Tendecy
10. Mondo Owada y Kiyotaka Ishimaru / Ishida from Danganronpa: Trigger Happy Havoc
11. Tiziano and Squalo from Jojo's Bizarre Adventure: Vento Aureo
12. Hikaru Kusakabu and Rihito Sajou from Doukyuusei
13. Arikawa and Kakashi from Kono Danshi, Uchuujin to Tatakaemasu
14. Isaki and Shima Kawauchi from Kono Danshi, Ningyo Hiroimashita
15. Ayamu Tamari and Kouya Onihara from Kono Danshi, Sekika ni Nayandemasu
16. Chiharu Kashima and Toyohi Utsumi from Kono Danshi, Mahou ga Oshigoto Desu
17. Nam Dong-Gyun and Alex / Ahn Jiwon from BJ Alex
18. Tamaki Amajiki and Mirio Togata from Boku No Hero Academia
19. Cristian and Alex from Antiheroes
20. Sour Cream and Buck Dewey from Steven Universe
21. Shail and Alsan from The Idhún's Memories
22. Lukas and Fabio from Romeos
23. Viktor Nikiforov and Yuuri Katsuki from Yuri On Ice
24. Aizawa Shota and Present Mic from Boku No Hero Academia
25. Hinata Shojo and Kageyama Tobio from Haikyuu
26. Haruka Nanase and Makoto Tachibana from Free
27. Jokin and David from De Fobos y Deimos
28. Arima and Taiga from Boy meets Maria
29. Gumball Prince and Marshal Lee from Adventure Time
Marco Díaz and Tom Lucitor from Star vs the Forces of Evil
30. Death and Life from A matter of Life and Death
31. Fugo Pannacotta and Narancia Ghirga from Jojo's Bizarre Adventure: Vento Aureo
32. Jack and Kirtash from The Idhún's Memories
33. Nagisa Hazuki and Rei Ryugazaki from Free
34. Stan and Lucien from Monster Prom
35. Koshi Sugawara and Daichi Sawamura from Haikyuu
36. Kim Myung-Dae and Oh Chanwoo from BJ Alex
37. Madness and Wisdom from A Matter of Life and Death
38. Horacio and Artie from Cruella (Movie)
39. Ikuya Kirishima and Hiyori Tono from Free
40. Kazuichi Souda, Gundhan Tanaka and Fuyuhiko Kuzuryu from Danganronpa 2: Goodbye Despair
41. Shougo Sena and Rei Sagara from Love Stage
42. Norman and Ray from The Promised Neverland
43. Ryunosuke Tanaka, Yu Nishinoya and Asahi Azumane from Haikyuu
44. Gerald and Edward from Shadows House
45. Squire Brandon and Sky from Winx Club
46. Akane Hoshi and Clay Sizemore from Soul Eater NOT!
47. Ulrich Stern and William Dunbar from Code Lyoko
48. Spirit Albarn and Franken Stein from Soul Eater
49. Hiroki and Tsukasa from Pet
50. Sheriff Blubs and Deputy Durland from Gravity Falls
51. David Shield and All Might from Boku No Hero Academia
52. Rin Matsuoka and Sousuke Yamazaki from Free
53. Naegi Makoto and Nagito Komaeda from Danganronpa
54. Kenma Kozume and Kuroo Tetsuro from Haikyuu
55. Neil and Todd Morrison from Sally Face
56. Vanitas and Noé Archiviste from Vanitas no Carte
57. Percival and August from High Class Homos
58. Reki Kyan and Langa Hasegawa from Sk∞ the Infinity
59. All Might and Nighteye from Boku No Hero Academia
60. Toji Suzuhara and Kensuke Aida from Neon Genesis Evangelion
61. Momotaro Mikoshiba and Aiichiro Nitori from Free
62. Dean Thomas and Seamus Finnigan from Harry Potter
63. Magnus Bane and Alec Lightwood from Shadowhunters
64. Ranpo Edogawa and Edgard Allan Poe from Bungou Stray Dogs
65. Killua Zoldyck and Gon Freecss from Hunter x Hunter
66. Emil Gunderburg (trans boy headcanon) and Hayato Kisaragi from Hundred
67. Lev Haiba and Morisuke Yaku from Haikyuu
68. Sorbet and Gelato from Jojo's Bizarre Adventure: Vento Aureo
69. Michele Crispino and Emil Nekola from Yuri On Ice
70. Yuya Matsuda and Naoto Wakatsuki from My Capricorn Friend
71. Todd Anderson and Neil Perry from Dead Poets Society
72. Eiji Okomura and Ash Lynx from Banana Fish
73. Loras Tyrell and Renly Baratheon from Games of Thrones
74. Trevor Belmont and Adrian Fahrenheit Tepes (aka Alucard) from Castlevania
75. Karma Akabane and Nagisa Shiota from Assassination Classrom
76. Iketeru Daga and Uramichi Omota from Uramichi Oniisan
77. Mikey and Draken from Tokyo Revengers
78. Wanibe and Kinji Ninomiya from Meikyuu Black Company
79. Kai Nakamura and Kuuya Yakamishi from Shiroi Suna no Aquatope
80. Natsu Dragneel and Gray Fullbuster from Fairy Tail
81. Kakashi Hatake and Might Guy from Naruto
82. Noé Archiviste and Louis de Sade from Vanitas no Carte
83. Yoshiharu Ushimado and Yutaka Babayaro Inomata from Re-Main
84. Tetsutetsu Tetsutetsu and Kirishima Eijirou from Boku no Hero Academia
85. Atsushi Sendo (Akkun) and Takuya Yamamoto from Tokyo Revengers
86. Keiji Akaashi and Kotaro Bokuto from Haikyuu
87. John Steinbeck and Howard Phillips Lovecraft from Bungou Stray Dogs
88. Kaworu Nagisa and Shinji Ikari from Neon Genesis Evangelion
89. Tobikichi Usahara and Mitsuo Kumatani from Uramichi Oniisan
90. Ryoya Misato and Shotaro Futaba from Bakuten
91. Tsumugu Kinagase and Aikuro Mikisugi from Kill La Kill
92. Keisuke Baji and Kazutora Hanemiya from Tokyo Revengers
93. Dabi and Hawks from Boku no Hero Academia
94. Ryunosuke Akutagawa and Chuuya Nakahara from Bungou Stray Dogs
95. Caleb Widogast and Essek Thelyss from Critical Role Season 2
96. Giriko and Justin Law from Soul Eater
97. Easley and Prontea from Heion Sedai no Idaten-tachi
98. Larry Johnson and Sally Fisher from Sally Face
99. Keishin Ukai and Ittetsu Takeda from Haikyuu
100. Harmodius and Aristogeiton, the Tyrannicides, two Ancient lovers from Athenas
101. Keisuke Tsukidate and Masamune Shichigaha from Bakuten!!
102. Josh and Ace from Helluva Boss
103. Taiichi Sagawa and Kohei Sugihara from I hear the sunspot
104. Erwin Smith and Mike Zacharius from Shingeki no Kyojin
105. Phoenix Wright and Miles Edgeworth from Ace Attorney
106. Atsumu Miya and Aran Ojiro from Haikyuu
107. Katai Tayama and Doppo Kunikida from Bungou Stray Dogs
108. Zagreus and Thanatos from Hades (Videogame)
109. Denki Kaminari and Hanta Sero from Boku no Hero Academia
110. Ranma Saotome and Ryoga Hibiki from Ranma ½
111. Klavier Gavin and Apollo Justice from Apollo Justice: Ace Attorney
112. Kaladin and Adolin Kholin from The Stormlight Archive
113. Dowon Sa (Coral Snake) and Beom (Snowtiger) from Full Volume
114. Kim Tae Kyun and Lee Damin from Infinity (Manwha)
115. Alexander and Kline from Draig Mid Knight
116. Buford Van Stomm and Baljeet Tjinder from Phineas and Ferb
117. Fafnir and Makoto Takiya from Kobayashi-san Chi no Maid Dragon
118. Juzo Sakakura and Munakata Kyosuke
119. Kazushi Yamagishi and Makoto Suzuhi from Tokyo Revengers
120. Zhan Zheng Xi and Jian Yi from 19 Days
121. Kazuhito Narita, Hisashi Kinoshita and Chikara Ennoshita from Haikyuu
122. Bertolt Hoover and Reiner Braun from Shingeki no Kyojin
123. Kotaro Watari and Nagayoshi Onagawa from Bakuten!!
124. Doctor Jian and Adam Barret from My Stallion
125. Bow and Sea Hawk from She-Ra and the Princesses of Power
126. Miguel and Tulio from The Road to El Dorado
127. Helsinki and Palermo from Money Heist
128. Hajime Iwaizumi and Tooru Oikawa from Haikyuu
129. Kisumi Shigino and Asahi Shiina from Free
130. Izana Kurokawa and Kakucho Hitto from Tokyo Revengers
131. Ruchuan Ye and Cu Ze from The Story About You x Me
132. Eijiri Takekazu and Jojima Jo from Re-Main
133. Risotto Nero and Prosciutto from Jojo's Bizarre Adventure: Vento Aureo
134. Razor and Bennett from Genshin Impact
135. Steve Rogers (Captain America) and Bucky Barnes (Winter Soldier) from Marvel
136. Diavolo and Barbatos from Obey Me!
137. Roland and Olivier from Vanitas no Carte
138. Masaya Kuroiwa and Hajime Oogami from Battle in 5 Seconds After Meeting
139. Albus Dumbledore and Gellert Grindelwald from Harry Potter/Fantastic Beasts
140. Julio and Marcos from Todas las flores son nuestras (@Willy_Inkrose's book)
141. Ryohei Hayashi (Peyan) and Haruki Hayashida (Pachin) from Tokyo Revengers
142. Enkidu and Gilgamesh from Fate Sagas
143. Eric Effiong and Adam Groff from Sex Education
144. Owen and Oliver from Carmen Lee's animatic series in YT
145. Mutsumi Saburo and Fuyuki Hinata from Sgt. Frog Abridged
146. Draluc and Ronaldo from The Vampires Dies in no Time
147. Fernando and Mauri from No One Could Live Here (Aquí no hay quien viva)
148. Myonhji and Sunho from Hyperventilation
149. Charles Xavier (Professor X) and Erik Lehnsherr (Magneto) from Marvel
150. Ryouma Ichijou and Izumi Sena from Love Stage.
151. Chifuyu Matsuno and Keisuke Baji from Tokyo Revengers
152. Link and Prince Sidon form Zelda Breath of the Wild
153. Xingqiu and Chongyun from Genshin Impact
154. Ferris and Nero from Bonxxii's OC animatics in YT.
155. Yotasuke Takahashi and Haruka Hashida from Blue Period
156. Romanee Dimitri and Jayer Hyde from Visual Prison
157. Jack Twist and Ennis del Mar from Brokeback Mountain
158. Matt (Mail Jeevas) and Mello (Mihael Keehl) from Death Note
159. Fyodor Dostoesvsky and Nikolai Gogol from Bungou Stray Dogs
160. Toru Takase and Masamune Shichigahama from Bakuten
161. DJ and Muteki from Muteking the Dancing Hero
162. Erwin Smith and Levi Ackerman from Shingeki no Kyojin
163. Leodgard and Amadeus from Memerron
164. Mark Evans and Nathan Swift from Inazuma Eleven
165. Roger and Townes from The Queen's Gambit
166. Hideyoshi Nagachika and Ken Kaneki from Tokyo Ghoul
167. Fidel and Marcial from Aída
168. Miyabi Saotome and Takahiro Kuroi from Love Stage
169. Bugs Bunny and Daffy Duck from Looney Tunes
170. Jonathan Samuel Kent (Jon Kent) and Jay Nakamura from Superman: Son of Kal-El
171. Seungwon and Hesuu from Hesuu in class 2
172. Kaeya Alberich and Diluc Ragnvindr from Genshim Impact
173. Felix and Fede (Fefi) from FNAFHS
174. Ronaldo Fryman and Lars Barriga from Steven Universe
175. Steven "Steve" Small (Mr. Small) and Larry Needlemeyer from The Amazing World of Gumball
176. Craig and Tweek from South Park
177. Hyacinth (Hyacinthus) and Apollo from Greek mythology
178. Guiltia Brion (Guil) and Yutaka from Visual Prison
179. Karkat Vantas and Dave Strider from Homestuck
180. Rogelio and Kyle from She-Ra and The Princesses of Power
181. Sachiro Hirugami and Korai Hoshiumi from Haikyuu
182. Hakkai Shiba and Takashi Mitsuya from Tokyo Revengers
183. Louis and Legoshi from Beastars
184. Rufioh Nitram and Horuss Zahhak from Homestuck
185. Sirius Black and Remus Lupin from Harry Potter and the Prisoner of Azkaban
186. Spider-man and Deadpool from Spider-man/Deadpool's comic series
187. Kai and Valmar from League of Legends
188. Touya Kinomoto and Yukito Tsukishiro from Sakura Card Captor
189. Jake English and Dirk Strider from Homestuck
190. Deuce Gorgon and Cladw Wolf from Monster High
191. Hiro and Natsuo from Renai-rubi no Tadashii Furikata
192. Shirotani Tadaomi and Kurose Riku from Ten Count
193. Yasuhiro Chiga and Yuuzou Kokusai from Hey, Class President!<
194. Akihiko and Kazuya from Be Boy Kidnapp´n Idol
195. Connie Springer and Jean Kirstein from Attack on Titan
196. Alberto and Luca from Luca
197. Blitzo and Stolas from Helluva Boss
198. Ernie and Bert from Sesame Street
199. Markus and Simon from Detroit: Become Human
200. Anwar Bakshi and Nick from Sex Education
201. Ghiaccio and Melone from Jojo's Bizarre Adventure: Vento Aureo
202. NEPTR and BMO from Adventure Time
203. Rigby and Mordecai from Regular Show
204. Nick and Charlie from Heartstopper
205. Maa-kun and Shi-chan from Komi can't communicate
206. Porter Geiss and Invisi Billy from Monster High
207. Prep, Jock, Nerd and Goth from Boyfriends
208. Greg and Manuel from Out's sparkshort
209. Norville Rogers (Shaggy) and Frederick Herman Jones (Fred/Freddy) from Scooby-Doo
210. Rihito Hiyakawa and Mikado Kousuke from Sankaku Mado no Sotogawa wa Yoru
211. Rika Honjo and Sniper Mask from High-Rise Invasion
212. Hori Masayuki and Kashima Yuu (trans boy headcanon) from Gekkan Shoujo Nozaki-kun
213. Orestes and Pylades from Greek mythology
214. Chad Warwick and Patrick from American Horror Story: Murder House
215. Asterius and Theseus from Hades (videogame)
216. Yuji Itadori and Megumi Fushiguro from Jujutsu Kaisen
217. Frodo Baggins and Samwise Gamgee from The Lord of the Rings
218. Spy and Sniper from Team Fortress 2
219. Onnie and Oxy Noxo from FNAFHS
220. Cheng Xiaoshi and Lu Guang from Link Click
221. Inuyasha and Koga from Inuyasha
222. Dante and Johann from Vanitas no Carte
223. Sunny/Omori and Basil from Omori
224. Shuumei Sasaki and Yoshizaku Miyano from Sasaki to Miyano
225. Ange Yuki and Robin Laffite from Visual Prison
226. Tadashi Yamaguchi and Kei Tsukishima from Haikyuu
227. Staz Charlie Blood and Wolf from Blood Lad
228. Hirano Taiga and Kagiura Akira from Hirano to Kagiura
229. Carl Jacobs and Derek from Euphoria
230. Yu Yang and Li Huan from Here you are
231. Go Yohan and Kang Soohwa from Signs
232. Galo and Kray from Promare
233. Kyle and Cartman from South Park
234. Gilbert Park and Mr. Park from The Owl House
235. Yahaba Shigeru and Kyoutani Kentarou from Haikyuu
236. Aristotle and Dante from Aristotle and Dante discover the secrets of the Universe
237. Professor Venomous and Lord Boxman from OK K.O.! Let's Be Heroes
238. Seiichiro Sakaki and Haru Yamato from Futsal Boys
239. Vax'ildan and Shaun Gilmore from The Legend of Vox Machina
240. Scorpius Hyperion Malfoy and Albus Severus Potter from Harry Potter and the Cursed Child
241. Nico di Angelo and Will Solace from Percy Jackson and the Heroes of the Olympus
242. Simon Snow and Baz from Carry On
243. Sei Kyogoku and Kaito Kazanin from Futsal Boys
244. Saitama and Genos from One Punch Man
245. Fa Ping (non-binary transboy headcanon) and Li Shang from Mulan
246. Enrico Pucci and DIO from Jojo's Bizarre Adventure
247. Takahiro Hanamaki and Issei Matsukawa from Haikyuu
248. Caleb and Toni Padilla from 13 Reasons Why
249. Keith Akira Kogane and Lance Charles McClain from Voltron Legendary Defender
250. Dominique and Steen from The Devil and S-13
251. Toi Tsukioka and Tsubaki Yukinaga from Futsal Boys
252. Aone Takanobu and Kenji Futakuchi from Haikyuu
253. Medic and Heavy from Team Fortress 2
254. Renarin Kholin and Rlain from The Stormlight Archives
255. Suzaku Kururugi and Lelouch Lamperouge from Code Geass
256. Ao Asahina and Tokinari Tennoji from Futsal Boys
257. Konegawa Kanji and Kousuke Sakunami from Haikyuu
258. Jota and Gustavo from Junta de Vecinos
259. Hawks and Twice from Boku no Hero Academia
260. Baizhu and Zhongli from Genshin Impact
261. Kazuma Bobata and Takeharu Futamata from Haikyuu
262. Adam Parris and Ronan Lynch from The Raven Boys
263. Joseph Bennett and Oxnard Matheson from Wolfsong
264. Richard Tozier (aka Richie or Trashmouth) and Edward Kaspbrak (Eddie) from It
265. Andrew Joseph Minyard and Neil Abram Josten from The Foxhole Court
266. Ian Gallagher and Mikhailo Aleksandr Milkovich (Mickey) from Shameless
267. Nezumi and Shion from No.6
268. Sherwin and Jonathan from In a Heartbeat
269. Vinsmoke "Black Leg" Sanji and Rorona "Pirate Hunter" Zoro from One Piece
270. Liam Dunbar and Theo Raeken from Teen Wolf
271. Naoya Teshigawara and Tomohiko Kazami from Another
272. Satori Tendo and Wakatoshi Ushijima from Haikyuu
273. Ryu Nagumo and Taiga Amakado from Futsal Boys
274. Edward "Captain Blackbeard" Teach (Ed) and Stede Bonnet from Our Flag Means Death
275. Geralt of Rivia and Jaskier from The Witcher
276. Naoya Teshigawara and Yuuya Mochizuki from Another
277. Thoma and Arataki Itto from Genshin Impact
278. Fernando Redondo Ruano (Fer) and David Ferrán from Física o Química
279. Minamoto Kou and Mitsuba from Toilet-bound Hanako-kun
280. Leonardo Da Vinci and Gian Giacomo Caprotti da Oreno (Salai/Salaino). REAL COUPLE.
281. Gamzee Makara and Karkat Vantas from Homestuck
282. Ky and Scra from The Croaking
283. Kamui Gakupo and Kaito from VOCALOID
284. Gen Asagiri and Senku Ishigami from Dr. Stone
285. Kenjiro Shirabu and Eita Semi from Haikyuu
286. Christopher and Anthony from Shadows House
287. Philip and Shoutarou Hidari from Fuuto Tantei
288. Leader and Yoichi Shigaraki from Boku no Hero Academia
289. Claude Jean Ellmeyer and Keith Eigrid from I'm the Villaines, so I'm Taming the Final Boss
290. Dwayne and Korg from Thor: Love and Thunder