Sonic The Hedgeblogさんのイラストまとめ

A French commercial for the McDonalds Sonic LCD games in 2004.

Sigh…
IDW’s ‘Sonic The Hedgehog’ 30th Anniversary Comic

The second floor
‘Sonic’s Gameworld’
SEGA PICO

Making Friends
Archie’s ‘Sonic The Hedgehog’ #32

“Pleeeeease?”
‘Sonic Adventure’
Dreamcast

Back in 2015 the mobile game ‘Angry Birds Epic’ had a ‘Sonic Dash’ event where Sonic would join the battle. This even had some unique renders only made for the event.

The ending artwork for Sonic, from ‘Sonic Jump’ for iPhone and Android.

Robo-Robotnik attacks
Archie’s ‘Sonic The Hedgehog’ #19

Artwork of Flicky, from the ‘Sonic The Hedgehog Material Collection’, an early art guide for the series.

Computer & Video Games #174, May ‘96 - 'Sonic Fighters & Super Mario RPG’ cover.