Thomas Röthlisberger

Sonic the Hedgehog 30th Anniversary Special FCBD 2021

2021

Sonic the Hedgehog Annual 2022

2022

Sonic the Hedgehog: The IDW Collection, Vol. 5

2025

Sonic the Hedgehog: Fang the Hunter

2024

Sonic the Hedgehog, Vol. 17: Adventure Awaits

2024

Sonic the Hedgehog: Annual 2024

2024