Has Eggman ever helped Sonic?

Rejected Sonic Designs Appear in Eggman's Mean Time Machine

IGN - Sonic the Hedgehog 2 features Sonic, Tails, Knuckles, and Dr. Eggman, but there are dozens of other Sonic characters that could appear in the movies. Who would you like to

Sonic Superstars: How To Beat Dr. Eggman - All Robotnik Bosses Guide

FAST FRIENDS FOREVER - Sonic the Hedgehog

SEGA’s Sonic the Hedgehog burst on the scene in the early ‘90s and is still running strong, with a fan base that spans generations. There are few

Sonic the Hedgehog Dr. Eggman Phunny Plush

Doctor Eggman, Sonic Wiki Zone

Blog – CrystalMaiden77

Sonic The Hedgehog Egg Mobile Battle Set with Sonic & Dr. Eggman 2.5 Inch Action Figures, Includes 14 Unique Pieces : Toys & Games

Doctor Eggman Killed A Beloved Sonic Ally

Sonic Can't Win Any Major Battles Without Dr. Eggman's Help