Jetstream

Jetstream, or Jet Stream is a female background Pegasus pony with a pink coat, light red mane and tail, blue eyes, and a cutie mark sometimes of a black cloud and lightning bolt and other times of a raincloud. She is not named in the series, but she is named in merchandise and other media.

Design
Jetstream shares her design with Sprinkle Medley, White Lightning, "Blueberry Cloud", "Pink Cloud", S01E04 Unnamed Pegasus Mare #2, and S04E10 Unnamed Pegasus Mare #5.

Depiction in the series
Jetstream has thus far appeared in only two episodes: Boast Busters in season one and Hurricane Fluttershy in season two.

In Boast Busters, Jetstream appears in the crowd during Trixie's magic show. Here, her cutie mark is a black lightning cloud. In Hurricane Fluttershy, she appears among other Pegasi lifting water up to Cloudsdale, after the initial attempt to create the tornado fails and at the end of the episode carrying Fluttershy. Here, her cutie mark is a raincloud.

Appearances
Times are approximate.

IDW comics
On cover A, Jetstream's name is displayed as "Jet Stream" on a list of Cloudsdale High School Spirit Award recipients.

Merchandise
In Enterplay's collectible card game, Jetstream is named on card α #7 C, which gives her the description "An accomplished long-distance flier, some say Jetstream will be the first pony to fly nonstop all the way across Equestria."