Sega Genesis / 32X - Sonic the Hedgehog - Dr. Robotnik / Eggman - The Spriters Resource

Sega Genesis / 32X - Sonic the Hedgehog - Dr. Robotnik / Eggman - The #1 source for video game sprites on the internet!

Genesis / 32X / SCD - Sonic the Hedgehog 2 - Drill Eggman/Egg Drillster - The Spriters Resource

Hidden Gems: 20 Video Games from the '90s You Probably Forgot About

drth d56 trh by fredefermaso4 - Issuu

Final Saturn v.2 3.23 PDF, PDF

Knuckles' Chaotix - VGFacts

Steam Workshop::All Dyes and Costumes

The VG Resource - Dolphman's submissions

Let's Blast Through With Sonic Speed!

Dr. Robotnik/Eggman extended spritesheet V5 by retrobunyip on DeviantArt

Mario & Sonic at the Olympic Games Tokyo 2020, Sonic Wiki Zone

The VG Resource - Dolphman's submissions

Sonic The Hedgehog Custom Sprites : Modgen : Free Download, Borrow, and Streaming : Internet Archive