History Main / ReactionVideo

* PlayedForLaughs in ''[[https://www.youtube.com/watch?v=TVQ9r3Smooo JEM REACTS - to the new Jem And The Holograms Trailer]]''. In it, cosplayers roleplay as the ''WesternAnimation/{{Jem}}'' characters and react to the trailer of the InNameOnly LiveActionAdaptation ''Film/JemAndTheHolograms''.

* ''LetsPlay/Critikal'': Even though he voices disdain for the typical reaction content, he has admitted his channel has always been reaction-based even if he does many different kinds of content as well.

* ''WebVideo/{{Akasan}}'': A.k.a. ''The Black Man in Japan''. A red-dreaded [[ExactlyWhatItSaysOnTheTin black man living in Japan]], he likes to react to movie trailers, especially superhero-related ones, and K-Pop music videos.

* ''WebVideo/BlindWave''
* ''WebVideo/DrowningInFandomFeels'': Featuring Jaclyn and Marcella, two best friend GenkiGirl's who share a room. They are very emotionally invested in their shows and like to ship a lot. They also each have a dog, Mickey (Jaclyn) and Happy (Marcella) who occasionally make funny appearances.
* ''WebVideo/{{Etika}}'': This individual was well-known for his [[ChewingTheScenery very hyped-up]] reactions to Creator/{{Nintendo}} game announcements. Tragically committed suicide in June 2019 after several noted manic episodes that first began in October 2018, leading to much mourning from the Internet.
* ''WebVideo/{{FandomReactions}}'': Originally a six-girl but prominently FourGirlEnsemble known for their cheerful, [[WorldOfSnark snarky]], and HotBlooded personalities and analysis of episodes they watched, as well as for their occasional {{cosplay| OtakuGirl}}ing. It had two SpinOff, ''WebVideo/BAndBVideos'' and ''WebVideo/{{AlectricBritSmash}}''. The former was founded by the two other original cast of ''[=FandomReactions=]'', while the latter was founded by one of the previously mentioned duo with her boyfriend not too long after the girls parted ways. In both cases, the two spin-offs mentioned were founded by the twin sister of ''[=FandomReactions=]''[='=] leader, making the videos sister shows in both literal and figurative sense.
* ''Freelancer Amber'' is a reactor who reacts to mostly ''Creator/RoosterTeeth'' content like ''Machinima/RedVsBlue'' and ''WebAnimation/{{RWBY}}, and ''{{Death Battle}}s [[note]] Technically also Rooster Teeth content now, but not originally [[\note]]
* ''WebVideo/GattorMartin'': Hosted by ''Gattor Martin'' and his friend and roommate ''Koollee''. One of the first reaction channels spawned by ''React'''s popularity. They mostly react to movie trailers and viral videos.
* ''WebVideo/{{Jinx}}'' a.k.a. ''Star So Silly'': Mostly known for reacting to ''Website/{{Vine}}'' compilations every day, in what he calls his [[{{Catchphrase}} "daily dose of Vine"]]. Also one of the first reactors who reacted to all ''WebVideo/EpicRapBattlesOfHistory'' videos and offered opinions on who won and why. He reacts to other kinds of videos, too.
** ''WebVideo/{{CJ So Cool}}'': As spin-off of Jinx' channel, hosted by his brother ''CJ So Cool'', and occasionally featuring CJ's girlfriend ''Royalty''. They usually react to the same kind of videos as ''Jinx''.
* ''WebVideo/KyuujinReacts'': Hosted by a female cosplayer duo from UsefulNotes/{{Quebec}}, known for their range of emotional reactions and their in-depth discussion after screenings. Generally tend to react to anime, but have branched into live-action series like ''Series/BreakingBad''.

* ''WebVideo/MambaJumbo''

* ''WebVideo/RarityDash'' is one of the most prolific and popular [[WesrernAnimation/MyLittlePonyFriendshipIsMagic MLP]] reactors, who started with a reaction to the [[WesternAnimation/EquestriaGirlsRainbowRocks second]] installment of the ''WesternAnimation/EquestriaGirls'' spin-off series before moving on to reactions to fan works and the show proper starting with season five and has since expanded to covering other Western cartoons like ''WesternAnimation/AdventureTime'' and ''WesternAnimation/StevenUniverse'' and anime like ''Anime/MissKobyoshiasDragonMaid'' among other things.

* ''WebVideo/TheReelRejects'': Hosted by Greg Alba (formerly ''Ryan Right''), each video features him pairing up with numerous guest stars. They mostly react to movie trailers, or videos related to movies. Greg's jokes usually revolve around SelfDeprecation and CampStraight, but he also can provide insightful commentary.
* ''WebVideo/RenegadesReact'': A group of nerdy friends that react to all kinds of videos. Notable for lengthy discussions and/or rants they have after watching the videos, which can prove quite amusing.
* ''WebVideo/{{Sesskasays}}'': Best known for her cheerful, pleasant personality and her in-depth analysis of episodes she has watched, as well as her range of emotional reactions to various shows. Quite popular among the ''Series/DoctorWho'' community in particular for her attraction to Creator/MattSmith's Eleventh Doctor. She also hosts an annual event called ''Doctor Who December'', which features her reacting to episodes old and new, as well as showing viewers how to cook and decorate their house with Doctor Who-themed Christmas decor.
* ''Smurf Vlogs'' is a Website/{{YouTube}}r who makes a variety of content, but he's most well known for his reactions to ''Creator/{{Disney}}'' movies and series and his MLP reactions, among other things.
* ''WebVideo/TorchwoodBoy'': A redheaded British reactor best known for his {{Camp}}y, pleasant yet snarky personality and his in-depth analysis of episodes she has watched, as well as his range of emotional reactions to various shows. Quite popular among the ''Series/DoctorWho'' community (he got his username from a ''Doctor Who'' [[Series/{{Torchwood}} spin-off]] after all) and has made {{Crossover}}s.
* ''WebVideo/TyroneMagnus'': A.k.a. ''[[BlackVikings The Black Viking]]'' a.k.a. ''[[Franchise/{{Batman}} BatMag]]'' a.k.a. ''[[Franchise/{{Superman}} The Black Kryptonian]]''. Among all of the reactors, Tyrone Magnus has the most recognizable persona: a boastful LargeHam with ironic undertones of ScaryBlackMan. He usually reacts to movie trailers and viral videos, but also sometimes reads out news articles and reacts to them, or provides advice to his viewers.

* ''Smurf Vlogs'' is a YouTuber who makes a variety of content, but he's most well known for his reactions to ''Creator/{{Disney}}'' movies and series and his MLP reactions, among other things.

* ''WebVideo/RarityDash'' is one of the most prolific and popular MLP reactors, and has since expanded to covering other Western cartoons and anime.

* ''WebVideo/{{React}}'': A series by Creator/TheFineBrothers that started back in 2010 and inspired most other [=YouTube=] reactors. Their videos feature several people reacting to one video, and then giving their opinions on it. The reactors are grouped together either by their age (kids, teens, adults, elders) or celebrity status ([=YouTubers=], celebrities). This series' popularity was most likely what inspired all other reaction channels on [=YouTube=], even though none of them follow their exact formula.

* ''WebVideo/TyroneMagnus'': A.k.a. ''[[BlackVikings The Black Viking]]'' a.k.a. ''[[Franchise/{{Batman}} BatMag]]'' a.k.a. ''[[Franchise/{{Superman}} The Black Kryptonian]]''. Among all of the reactors, Tyrone Magnus has the most recognizable persona: a boastful LargeHam with ironic undertones of ScaryBlackMan. He usually reacts to movie trailers and viral videos, but also sometimes reads out news articles and reacts to them, or provides advice to his viewers.

* ''WebVideo/RarityDash'' is one of the most prolific and popular MLP reactors, and has since expanded to covering other Western cartoons and anime.

* ''WebVideo/KyuujinReacts'': Hosted by a female cosplayer duo from [[UsefulNotes/{{Canada}} Quebec]], known for their range of emotional reactions and their in-depth discussion after screenings. Generally tend to react to anime, but have branched into live-action series like ''Series/BreakingBad''.

* ''WebVideo/{{Blindwave}}''

* ''WebVideo/{{RenegadeMediaGroup}}''

* ''WesternAnimation/FamilyGuy''
** There was a promo where Brain shows Stewie some clips on [=YouTube=] and records Stewie's reactions.

* ''WebVideo/{{Akasan}}'': Aka ''The Black Man in Japan''. A red-dreaded [[ExactlyWhatItSaysOnTheTin black man living in Japan]], he likes to react to movie trailers, especially superhero-related ones, and K-Pop music videos.
* ''{{BlastphamousHD TV}}'': he also has a more popular gaming channel called ''[[LetsPlay/BlasphemousHD BlastphamousHD Gaming]]'' [[note]]I'm not sure why it's spelled "Blasphemous''[[/note]]

* ''WebVideo/{{FandomReactions}}'': Originally a six-girl but prominently FourGirlEnsemble known for their cheerful, [[WorldOfSnark snarky]], and HotBlooded personalies and analysis of episodes they watched, as well as for their occasional {{cosplay| OtakuGirl}}ing. It had two SpinOff, ''WebVideo/BAndBVideos'' and ''WebVideo/{{AlectricBritSmash}}''. The former was founded by the two other original cast of ''[=FandomReactions=]'', while the latter was founded by one of the previously mentioned duo with her boyfriend not too long after the girls parted ways. In both cases, the two spin-offs mentioned were founded by the twin sister of ''[=FandomReactions=]''[='=] leader, making the videos sister shows in both literal and figurative sense.
* ''Creator/TheFineBrothers'' aka ''WebVideo/{{React}}'': The channel that started back in 2010 and inspired most other Youtube reactors. Their videos feature several people reacting to one video, and then giving their opinions on it. The reactors are grouped together either by their age (kids, teens, adults, elders) or celebrity status (Youtubers, celebrities). This channel's popularity was most likely what inspired all other reaction channels on Youtube, even though none of them follow their exact formula.

* ''WebVideo/{{Jinx}}'' aka ''Star So Silly'': Mostly known for reacting to ''Website/{{Vine}}'' compilations every day, in what he calls his [[{{Catchphrase}} "daily dose of Vine"]]. Also one of the first reactors who reacted to all ''WebVideo/EpicRapBattlesOfHistory'' videos and offered opinions on who won and why. He reacts to other kinds of videos, too.

* ''WebVideo/TyroneMagnus'': Aka ''[[BlackVikings The Black Viking]]'' aka ''[[Franchise/{{Batman}} BatMag]]'' aka ''[[Franchise/{{Superman}} The Black Kryptonian]]''. Among all of the reactors, Tyrone Magnus has the most recognizable persona: a boastful LargeHam with ironic undertones of ScaryBlackMan. He usually reacts to movie trailers and viral videos, but also sometimes reads out news articles and reacts to them, or provides advice to his viewers.

* ''Website/{{Clickhole}}'' parodied this trope in a [[https://www.youtube.com/watch?v=KwiYyzdbbh0 a video]] where people watch the opening sequence of ''WesternAnimation/{{Up}}'', but instead of being affected by the tragedy depicted in the movie, the viewers make CaptainObvious comments.

** In a CutawayGag, Brian shows Stewie "2 Girls 1 Cup" and films Stewie's reaction. At first, Stewie is horrified, then decides to search for a two guys version.

* ''WebVideo/Blindwave''

* ''The Fine Bros'' aka ''WebVideo/{{REACT}}'': The channel that started back in 2010 and inspired most other Youtube reactors. Their videos feature several people reacting to one video, and then giving their opinions on it. The reactors are grouped together either by their age (kids, teens, adults, elders) or celebrity status (Youtubers, celebrities). This channel's popularity was most likely what inspired all other reaction channels on Youtube, even though none of them follow their exact formula.
* ''WebVideo/GattorMartin'': Hosted by ''Gattor Martin'' and his friend and roommate ''Koollee''. One of the first reaction channels spawned by ''REACT'''s popularity. They mostly react to movie trailers and viral videos.

* ''WebVideo/{{Sesskasays}}'': Best known for her cheerful, pleasant personality and her in-depth analysis of episodes she has watched, as well as her range of emotional reactions to various shows. Quite popular among the Doctor Who community in particular for her attraction to Matt Smith's Eleventh Doctor. She also hosts an annual event called ''Doctor Who December'', which features her reacting to episodes old and new, as well as showing viewers how to cook and decorate their house with Doctor Who-themed Christmas decor.

* ''WebVideo/Seskasays'': Best known for her cheerful, pleasant personality and her in-depth analysis of episodes she has watched, as well as her range of emotional reactions to various shows. Quite popular among the Doctor Who community in particular for her attraction to Matt Smith's Eleventh Doctor. She also hosts an annual event called ''Doctor Who December'', which features her reacting to episodes old and new, as well as showing viewers how to cook and decorate their house with Doctor Who-themed Christmas decor.

A relatively new phenomenon that's getting popularity on Website/YouTube.

* ''WebVideo/TheReelRejects'': Hosted by Greg Alba (formerly ''Ryan Right''), each video features him pairing up with another person: either his girlfriend ''Veronica Sixtos'', or one of the numerous guest stars. They mostly react to movie trailers, or videos related to movies. Greg's jokes usually revolve around SelfDeprecation and CampStraight, but he also can provide insightful commentary.

* ''WebVideo/Seskasays'': Best known for her cheerful, pleasant personality and her in-depth analysis of episodes she has watched, as well as her range of emotional reactions to various shows. Quite popular among the Doctor Who community in particular for her attraction to Matt Smith's Eleventh Doctor. She also hosts an annual event called ''Doctor Who December'', which features her reacting to episodes old and new, as well as showing viewers how to cook and decorate their house with Doctor Who-themed Christmas decour.

* ''WebVideo/Sesskasays'': Bbest known for her cheerful, pleasant personality and her in-depth analysis of episodes she has watched, as well as her range of emotional reactions to various shows. Quite popular among the Doctor Who community in particular for her attraction to Matt Smith's Eleventh Doctor. She also hosts an annual event called ''Doctor Who December'', which features her either reacting to episodes old and new, as well as showing viewers how to cook and decorate their house with Doctor Who-themed Christmas items.

* ''WebVideo/TheReelRejects'': Hosted by ''Ryan Right'', each video features him pairing up with another person: either his girlfriend ''Veronica Sixtos'', or one of the numerous guest stars. They mostly react to movie trailers, or videos related to movies. Ryan Right is often not too serious, his jokes usually revolving around SelfDeprecation and CampStraight, but he also can provide insightful commentary.

There are several channels on [=YouTube=] dedicated mostly to reaction videos (called "reaction channels"). They gather small, but dedicated fandoms, who enjoy watching their favorite reactor's reaction to different videos. Some of these reactors craft a specific persona they play on-camera, to make their reactions more interesting to watch. Their video choice usually involves movie trailers, music videos, viral videos, rap battles, and Vine compilations.