Sonic News Network
Sonic News Network

The researchers[1] are characters that appear in the Sonic the Hedgehog series. There are scientists who resided on the Space Colony ARK over fifty years ago.


The researchers wear white shirts and trousers with an orange wastecoats with black stripes on the shoulders. They also wear white helmets with visors. They also wear white gloves and shoes.

Game appearances

Sonic Adventure 2

The researchers were indirectly mentioned in Sonic Adventure 2 and its remake Sonic Adventure 2: Battle. In this game, it is mentioned that they worked alongside Professor Gerald Robotnik on Project Shadow onboard the Space Colony ARK. When the ARK was shut down and have its protects ceased, GUN executed everyone on the ARK including the researchers.[2][3]

Shadow the Hedgehog

In Shadow the Hedgehog, the researchers appear in The Doom as the objective for the Hero mission. Ten injured researchers are found throughout the stage and Shadow must use Heal Units (or the Heal Cannon if unlocked and found) to revive them.

Powers and abilities

Being involved in the research projects conducted by Gerald Robotnik, it stands to reason that the researchers possess a great deal of knowledge in the fields of science.


  • The researchers in Shadow the Hedgehog are actually retextured models of GUN soldiers.



  1. Sonic Team (18 November 2005). Shadow the Hedgehog. PlayStation 2. Sega. Area/level: The Doom. "Maria Robotnik: The researcher has been saved as well! Let's keep going!"
  2. Enterbrain (10 October 2001). "50年前の真実". ソニックアドベンチャー2パーフェクトガイド (in Japanese). ISBN 978-4757706255. Retrieved 8 August 2017.
  3. Sonic Team (11 February 2002). Sonic Adventure 2: Battle. GameCube. Sega. Area/Level: Last Story. "Rouge/Gerald: I don't quite know what happened, or what went wrong. Was it a mistake to create the Ultimate Life Form? I thought it would be something that would benefit mankind... But then the military guards landed on the Colony that day. They were sent to destroy the research project that I had been working on. My colleagues at the research facility, my granddaughter Maria, I hope you are all safe."

Main article | Scripts (Hero, Dark, Last) | Staff | Glitches | Beta elements | Gallery | Re-releases (Battle | 2012)

Main article | Scripts (Main Story, Last Story) | Credits | Glitches | Beta elements | Library Sequences | Gallery