Adyson Sweetwater

Adyson Sweetwater is a member of Fireside Girls Troop 46231.

Candace and the Busted Squad
She was one of Phineas' evil assistant and guard.

Night Scare
Adyson admits Night and her have an odd relationship

Celestial Feelings
She is ranked Ensign Adyson Sweetwater aboard the USS Phineas PF-01 and is a member of the engineering crew, along with the rest of the Fireside Girls.

If Summer Only Lasted One Day
She goes on adventures on the holodeck that Phineas and Ferb make, along with the other Fireside Girls.

The Terran Empire
She returns as a member of the engineering/medical team aboard the USS Phineas PF-01, along with the rest of the Fireside Girls.

A New Star is Born
She returns as a member of the engineering/medical team aboard the USS Phineas PF-01, along with the rest of the Fireside Girls.

Love's Full Blossom
She carries Isabella's dress at her marriage to Phineas on June 14, 2025. By this time, she is married to Buford Van Stomm.

Ad Astra 1: Encounter at Alpha Centauri
On Phineas and Isabella's wedding anniversary in 2030, she joins the crew on a brief exploration mission to Alpha Centauri B; by this time, she is the Secondary Chief of Security (her husband Buford being the head Chief) aboard the USS Phineas-A and ranked at Lt. Commander.

Ferbette's Continuity
Adyson Nova Sweetwater was born in 2002 in Nantucket, Massachusetts to Danesafee and Maxwell. At age 4, she was saddened when her mom and dad got divorced and she and her mom moved to Danville. She joined the Fireside Girls at age 6.