Thomas was the former servent of Eradicus
Thomas was an orphan and he was raised by Eradicus and made him his servent. Eradicus told Thomas to find Sonic and kill him. Sonic fights Thomas. Thomas surrenders and decided to changed. He told Eradicus that he won't be working for him anymore and joins Sonic and the others.
Dark Eco (Lost it after Sonic and Sora defeated Ansem)
He is voiced by Julian Rebolledo. As a child, he is voiced by Gavin Kent. As an adult, he is voiced by Bradley Cooper.
- Thomas treats Nancy like a sister
- Thomas is allergic to asparagus
- Thomas gets sea sick when riding on ships