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This character exists primarily or exclusively within the Pre-Super Genesis Wave continuity.
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
This page was either created or contains content from another article at Mobius Encyclopaedia.
When rewriting sections, remember to adhere to our Manual of Style.

Auto-Fiona[1] is a character that appears in the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics. She was an Auto Automaton built by Dr. Ivo Robotnik based on a young mobian vixen named Fiona Fox, who was being held as a prisoner by him in a mine at the time. She was re-activated years later by her creator to trap the heart of Miles "Tails" Prower in order to roboticize him, but while attempting to drown Tails after the plan started going wrong, Auto-Fiona became rusted in the water and was paralyzed. Tails later left Auto-Fiona on the island he had found her on as a monument to his lost youth.


Trapping the heart of Tails

Auto-Fiona was made when Fiona Fox was just a young child imprisoned in one of Dr. Ivo Robotnik's mining camps during the early days of the First Robotnik War, but was not activated until years later.[2]

Auto Fiona with Tails, from Sonic the Hedgehog #28.

Robotnik reactivated Auto-Fiona after watching Tails storm off in his Sea Fox after Sonic slapped him around while under Robotnik's control via a secret camera hidden in a tree near Knothole's dock. He used Auto-Fiona as part of his plan to trap and roboticize the young Fox. When Tails came across an uncharted island not too far off from the Mobian Jungle, he heard a cry of "HELP!" and he saw Auto-Fiona tied to a palm tree. Tails flew out of his Sea Fox and fell in love the moment he laid eyes on the robotic replica of the younger Fiona Fox and untied her. Tails and Auto-Fiona then spent a romantic day together with each other, but Robotnik had Auto-Fiona then lure Tails into a hidden roboticizer.[3] However, Tails escaped by clogging the machine with fur from his twin tails.[4]

Rusted into paralysis

Tails was then attacked in various ways by Auto-Fiona, including punching him, trying to bludgeon him with a large club, and an attempted drowning. But while trying to drown him, the water surrounding the island leaked into Auto-Fiona's body and made her rust, paralyzing her. Tails then took Auto-Fiona out of the water and placed her on the island as a monument to his lost youth. Tails then began to clean up the litter Robotnik left behind, and came across a list of supplies that confirmed that Robotnik had plans for a satellite operation somewhere on the planet. At first, Tails thought he should call Princess Sally and tell her about it, but then believed that the other Knothole Freedom Fighters would leave him behind again if he did. Tails then decided to prove himself by going on this mission alone and returned home to Knothole in the Sea Fox. Auto-Fiona watched this, and what appeared to be a tear came from her eye as she watched Tails go away.[4]


Despite initially showing very life-like behavior, Auto-Fiona's true nature was that of a robot with no free will and a very machine-like demeanor. She was also absolutely loyal to Dr. Robotnik.[3] It is also possible that she can experience feelings, as shown when Tails left the island, she let out a tear, indicating that she may have genuinely loved him as well.[4]

Powers and abilities

Auto-Fiona was skilled at manipulation judging by how easily she had Tails fall in love with her.[3] She also had super strength[4] and was able to drink liquids and not become rusted.[3] She could also use melee weapons such as clubs.[4]


Auto-Fiona's only known and major weakness was the fact that she was not waterproof and rusted very easily after a short period of time.[4]


  • Auto-Fiona was never given a name apart from Robotnik referring to her as "Auto Automation", but writer Ian Flynn (role-playing as Tails) called her "Auto-Fiona" in one of his Q&As.[1]


  1. 1.0 1.1 Ian Flynn (22 February 2009). Ask Ian for FEB'09 - Novelty Answer Month - Finis~. BumbleKing Comics. Archived from the original on 2 November 2015.
  2. Knuckles the Echidna #28, "Below the Belt"
  3. 3.0 3.1 3.2 3.3 Sonic the Hedgehog #28, "Growing Pains, Part 1"
  4. 4.0 4.1 4.2 4.3 4.4 4.5 Sonic the Hedgehog #29, "Growing Pains, Part 2"

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