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"Oh no...did someone bring a pet in here or something?"
First appearanceSleepy Garden
Internal nameCockatiel
Voiced byN/A
In-universe information
Full nameCockatiel
Alias (es)N/A

Cockatiel is a recurring character in Rhythm Doctor, making their first appearance in a cutscene after All The Times. They make their first appearance as a patient in Sleepy Garden. They are one of four pet birds kept by Mrs Stevenson, using Classic Beats which heavily feature Row Xs. They are usually accompanied with a four-beat pattern (-x-x-x).


As the name suggests, they are a medium-sized white cockatiel wearing a blue bow.


Although the Cockatiel never directly speaks, their few appearances may suggest a friendly personality. In Meet and Tweet, the Cockatiel is seen striking up a friendly conversation with the Wren and Canary, depicted in the level's ending illustration as being happy to have met the two birds. They are also depicted in The 90's Decision, frequently aiding the Samurai in the chase for the donut. The bird that swoops away the donut in the D-rank and S-rank outcomes is never specified, though if the Cockatiel was the bird in question, it would further suggest a mischievous nature about them. Beyond these indirect displays of personality, however, there is not much known about the Cockatiel's personality.


  • Mr and Mrs Stevenson are the owners of the Cockatiel. Although the former is never seen directly speaking of their pet birds, the latter is seen indirectly talking about her pet birds several times, described as "over-the-moon" when Ian and the intern take care of her birds in 4-3. Furthermore, in 4-3N, the post-clear text for the pager has Ian quoting Mrs Stevenson, suggesting that she considers her pet birds to be her "children." Lastly, in X-MAT, Mrs Stevenson is shown to be knowledgable of bird heartbeats, and excitedly begins talking at length about said topic when prompted. Due to all of these aforementioned factors, it can be assumed that the Cockatiel's owners deeply care for them, with Mrs Stevenson in particular being fond of them.
  • Logan and the Cockatiel do not share much of a direct relationship, first seen together in 3-1 where Logan is curious about the bird's sudden appearance.
  • The Wren and Canary are seen frequently talking to the Cockatiel in X-MAT, engaging in conversation heavily as they speak of their respective experiences. Toward the end of the level, the Cockatiel is depicted joyfully overlooking the Wren and Canary. These mentioned factors suggest that the three birds have befriended one another and are extremely welcoming and appreciative of each other.
  • Since the Cockatiel, Parrot, Oriole and Owl are all pets belonging to Mr and Mrs Stevenson, it can be assumed that the four of them share a friendly relationship with each other, depicted as a quad of birds in 3-1 with heartbeats forming in pattern with each other. They are also seen accompanying each other in levels, with the Cockatiel accompanying the Owl in MD-3 specifically, along with the Cockatiel accompanying the Parrot in X-MAT.
  • Samurai and Cockatiel do not share much of a direct relationship. In MD-3, however, the Cockatiel is seen accompanying the Samurai, along with the Owl, and frequently aids in carrying the Samurai as it flies in pursuit of the donut.


As a patient