Android 21

Both the publisher Bandai Namco Entertainment and developer of Dragon Ball FighterZ Arc System Works marketed Android 21 as being created or designed by Akira Toriyama when the character was first unveiled in promotional and marketing material for FighterZ in September 2017.[2] One of the trailers used the wording, "Original character supervised by Akira Toriyama," which was interpreted by Kyle Hilliard from Game Informer as an implication that while Toriyama may not have drawn her for the game, he is involved in her visual direction and conception.[2] The developers later clarified in an interview that they came up with the game’s story on their own and created the framework for what kind of character Android 21 would be, while Toriyama designed her within said parameters.[3] The developers sought Toriyama's input as they wanted a slick design for a character that would transform, in the hope that Toriyama's involvement with the game's visuals would generate interest and bring in prospective fans.[4] According to producer Tomoko Hiroki, Toriyama was informed about the game's plot and what the developers wanted in the character, such as her gender and her personality, and he would be left to draw the character as he saw fit.[3] Toriyama took the suggestions about Android 21 into account and finalized her design, but was not involved in any direct input into her story.[5] The game itself was noted by Toriyama to be an official part of the overall Dragon Ball canon.[6]

Arc System Works staff indicated in an interview about the developmental process for Dragon Ball FighterZ that they wanted to create an original story for Dragon Ball FighterZ because the events of the original series have been retread several times by other licensed video games; the introduction of an original villainous character is intended to add a fresh element to the game's story.[4] Android 21 was concepted to be a Red Ribbon Bio-Android as part of the developer's take on maintaining a connection to the original series' themes while creating something new, and as a female character since the Dragon Ball series have had few female villains throughout its decades-long history, while her ability to shapeshift into an alternate form at will also differentiates her from notable series villain Cell.[5] Her connection to the Red Ribbon Army and its series of Androids created by Doctor Gero was highlighted in media coverage; for example, a trailer showed a cutscene where she assists an injured Android 18, and calls herself a researcher for the Red Ribbon Army.[2] Hiroki indicated that the character is highly intelligent, as emphasized by her lab coat and glasses, possibly more so compared to Doctor Gero.[2] Android 21's ability to transform is derived from a suggestion by Shueisha, the publisher of the Jump magazine line which serializes the Dragon Ball manga.[4]

As she possesses the genetic material of various powerful characters in the series much like Cell, Android 21 is depicted as a very formidable being with superhuman strength, endurance, and speed. She is noted to have two forms with distinct personalities, one being her human form, and the other is her true form which is reminiscent of Majin Buu, with a similar pink skin palette and style of clothing.[7]

Android 21 can fly and create energy beams using her ki. Like Buu, Android 21 is capable of transforming objects or living things by shooting an energy beam at the target, typically rendering them as confectionery or other sweet foods to feed her ravenous hunger.[8] She is also capable of copying and emulating the abilities and powers of other characters by stabbing her targets with an energy blade projected from her hand.[9]

Within the main story mode for Dragon Ball FighterZ, Android 21 is initially presented as a mysterious scientist who works for the Red Ribbon Army, and is somehow connected to a mysterious anomaly which renders various Dragon Ball series characters powerless, as well as the appearance of hostile cloned versions of series characters. Her backstory and true nature is gradually revealed through the progression of the game's narrative, and is featured as the final boss in each of the game's three story arcs. Android 21 is the central focus of the third and final story arc left in the game's rotation, where she ends up being split into two separate entities: a benevolent one who retains most of Android 21's original personality, and a malevolent one whose sole desire is to consume all life. It is later revealed that she is originally based on a human female who had a son with Doctor Gero, with their son becoming the model for Android 16's design. In another instance, 21 is noted to be a new type of Bio-Android, similar to Cell but superior in power. She is unlocked as a playable character for all game modes once the story mode is completed.

Android 21 and the cloned enemy characters from Dragon Ball FighterZ are featured in the animated opening credits of the Super Dragon Ball Heroes: World Mission update for the Dragon Ball Heroes digital card game, but have yet appeared in the promotional anime itself.[10] Within the Super Dragon Ball Heroes game, she is featured in boss fights which are part of the World Mission subplot.

In Dragon Ball Z: Kakarot, the player may encounter a character simply known as “Female Researcher”, who is identical in appearance to Android 21's human form; chronologically, Kakarot is set prior to the events of FighterZ. She serves as a vendor who aids the player characters' training to become stronger.[11]

The character's other video game appearances include Dragon Ball Z: Dokkan Battle, Dragon Ball Legends, and as downloadable content for Dragon Ball Xenoverse 2.

Android 21 has been subject to merchandise. Two action figures have been produced, one as part of the Dragonball S.H. Figuarts line, and another by Megahouse as part of their Dragon Ball Gals line, respectively.[12][13]