Have you ever heard of the show My Little Pony: Friendship Is Magic?
OMG!  Yes.  It's the best tv show. Hasbro out did themselves. 
It is a pretty good show, the fandom for it has been very passionate too.
My Little Pony: Friendship Is Magic fandom
"" is an animated television series produced by Hasbro as part of the "My Little Pony" toy franchise, which is tied in with the 2010 relaunch of dolls and play sets and original programming for the American children's cable channel Discovery Family (formerly Hub Network). Lauren Faust was selected as the creative developer and executive producer for the show based on her previous animation experience with other animated shows such as Cartoon Network's "The Powerpuff Girls" and "Foster's
of "The Walking Dead" that appear in this list, and remain IDW's top-selling publication.
In addition to releasing official digital albums of songs from the show due to brony demand, Hasbro has worked with Lakeshore Records to create an album of EDM remixes of the show's songs, entitled "DJPON3 Presents My Little Pony: Friendship Is Magic Remixed" inspired by the numerous fan remixes.
Reception Criticism.
Reception Criticism Gender norms.
The adult fandom has been perceived negatively by others, with coverage of the