"What you see is what you get! Just a guy who loves adventure. I'm Sonic the Hedgehog!"
Sonic the Hedgehog

SLW New Sonic

Sonic the Hedgehog Sonic Boom


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Chara werehog

Member of the EFF council
Mobius (formerly)
Kialon island
Romance interest
Sally Acorn (formerly)

Sonic the Hedgehog is a main character in EFF Agents who first appears in the pilot, A New Beginning. He is an EFF agent, being a part of their council.


Sally Acorn

Fanon from EFF Agents

After Sally was de-roboticized, Sonic and her began dating again. But when he mentioned that he signed up for joining the EFF and agreed to live on Condilion, Sally hoped he wouldn't be invited in since she didn't want to live on Condilion but at the same time didn't want to be far from her love. But two days later, Sonic announced that he was accepted into the EFF, and he could no longer be Sally's boyfriend if she didn't want to come with him to Condilion.

Amy Rose

Fanon from EFF Agents

After Amy heard Sonic had moved to Condilion and broke up with Sally, she has been trying to get into the EFF ever since.


Sonic is adventurous, impatient, and carefree. He values freedom and desires a world where nothing holds him down, hence why he joined the EFF. He has a very large ego, which makes him sassy, cocky, and overconfident. He's extremely loyal to his friends, even if he may seem like he doesn't care. He enjoys the beauty of nature, and gets angered whenever Thorn or his underlings try to destroy Condilion's natural beauty.