The one that started it all.

Origin Sonic.

Redos of '15, '17, and '27.

(With Origin Sonic for reference)

Nightmare Sonic redo.

(HE'S GOT LEGS!)

The Children's Idol.

The Toymare.

Hallucinogenic Diversions.

The Phantoms.

The Cloning Machine's Children.

The Nightmares.

The Vengeful Doctor.

'27 Golden Sonic.

The Green Crawler.

Withered Toy Yoshi.

Nightmare Tails redo.

Friend of the Children.

Nightmare Golden Sonic.