"(Dazed) Hey, the salamanders quit singing. (Giggles)"
— Adyson[src]

"We could get stung by radioactive bees, and gain bee-themed superpowers!"
— Adyson[src]

Adyson Sweetwater is one of the Fireside Girls in Danville Troop 46231.


She, Isabella, Gretchen, and Milly were the backup singers for Phineas and the Ferb-Tones as the Ferbettes ("Flop Starz", "Phineas and Ferb Musical Cliptastic Countdown").

She was a back-up singer with Gretchen in the song "S'Winter" ("S'Winter").

Immediately following Phineas and Ferb's treehouse fight with Candace and Stacy, as all the Fireside Girls are cheering. Adyson's mouth moves along with the line "Way to go!" ("Tree to Get Ready"). She was also one of the guitarists with Katie in the new version of "Flying Fishmonger" ("The Flying Fishmonger").

When Phineas and Ferb built an Animal translator, she and Milly were explaining television to Isabella's dog, Pinky, unsuccessfully ("Interview With a Platypus").

Adyson, along with the other Fireside Girls, knows about Isabella's wish to marry Phineas ("That Sinking Feeling").

When Phineas and Ferb travel around the world, Adyson took Isabella's place as troop leader after Isabella leaves with Phineas and Ferb. She ordered the other members and Clay Aiken to help get the party ready ("Phineas and Ferb: Summer Belongs to You!").

When Phineas and Ferb build a bio-dome, she is shown to be accident-prone, getting heatstroke, being swept away by a current, having a rock fall on her head, and falling on a rock while climbing a mountain ("The Great Indoors").

Physical Appearance

Adyson has straight dark brown hair with large bangs and a curve at the bottom. She has green eyes, rosy pink skin, and a red headband (which she sometimes doesn't wear). She wears a sleeveless uniform with a split in the collar and sides at the bottom, and high-top shoes.

Known Patches


Isabella Garcia-Shapiro

Adyson is good friends with Isabella. She sang with Isabella in the song S'Winter, along with Gretchen She willingly took Isabella's place as the one in charge when she left with Phineas and Ferb to circumnavigate the world and helped her up on the plane when Clay Aiken sang ("Phineas and Ferb: Summer Belongs to You!"). Later that summer, she got saved by Isabella when she was caught in a river and forced downstream. Also, Isabella helped her heal from her concussion ("The Great Indoors").

The Other Fireside Girls

Along with the other Fireside Girls, Adyson is often involved with Phineas and Ferb's Big Ideas. During the search for the maracanut tree, Adyson got tethered to Gretchen as the latter was reading a book and calling out directions to the other girls ("Isabella and the Temple of Sap").

In "Act Your Age", she seems to have become the leader of the group during her teenage years.


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Background Information

  • Adyson is one of the characters that is an ambidextrous sprite. When she turns her head, her bangs swoop to the other side. Sometimes, the other side of her head is shown in a few episodes.
  • She's the only Fireside Girl who doesn't have sleeves.
  • Her first cameo speaking line was in "Tree to Get Ready", while her first true speaking line occurred within "Isabella and the Temple of Sap", where she made a sarcastic comment on the "Help Thy Neighbor" patch.
  • Her name is revealed in one of Swampy's Correspondence. The first on-screen mention was in "Isabella and the Temple of Sap", while her surname was revealed in "Fireside Girl Jamboree", and again confirmed in one of Swampy's Correspondences.
  • Adyson is based on Jeff "Swampy" Marsh's granddaughter.[1]
  • She used to hold the record for "Most Patches earned in One Day", which was 6 until it was broken by Candace in "Fireside Girl Jamboree" with a massive total of 49 patches, 50 if the record patch is counted.
  • She and Gretchen are the only Fireside Girls not to have a red collar at the neck.
  • As revealed in "Isabella and the Temple of Sap", she has a rather sarcastic sense of humor ("Let me guess, the Let's Help Phineas and Ferb patch?").
  • Her surname was revealed in "Fireside Girl Jamboree". She is the first Fireside Girl besides Isabella to have her surname revealed on screen. The only other Fireside Girl whose surname is known is Ginger.
  • Adyson is the only regularly-seen Fireside Girl besides Isabella to not be usable in the online games Robot Riot! and The Walking Doof.
  • She doesn't seem to like earning the same patch more than once ("Isabella and the Temple of Sap", "The Remains of the Platypus").
  • Her name is mentioned a total of 8 times, the most of all Fireside Girls. It is spoken 6 times by Isabella, once by the Super Computer, and once by Ferb ("The Great Indoors").
  • She, Gretchen, and Katie were the only girls besides Isabella to get addressed by name in "Isabella and the Temple of Sap"
  • She is the only Fireside girl other than Isabella to speak in "The Great Indoors"
  • She is the only Fireside girl to not be shown as an infant or an elder.
    • She, along with Holly, are the only Fireside girls to not be hit by the Babe-inator in "Agent Doof".
  • In "The Great Indoors", a running gag has Adyson getting into accidents.
  • In "Act Your Age", Gretchen and Adyson are the only teenage former Fireside Girls to have the same voice actresses as their younger versions. But, overall, Adyson is the only Fireside Girl to keep one voice actor. (Gretchen, Milly, and Katie had 2 each, while Ginger and Holly had 3 each).


Mentioned Only

Milo Murphy's Law


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