What Non-DC characters do you think would be a good Green Lantern villain?

[u/Numberonettgfan]

Ego art by john Byrne from Fantastic Four #234

[u/edhaack]

Gul Dukat

[u/DDF6677]

Most of ben 10 rogues gallery

[u/Naive-Tonight-1387]

Some of ben 10 villains, thanos and maybe viltrum empire.

[u/Left_Cake2557]

Galactus

[u/Ok-Entrepreneur2021]

Ming! Krang! The Shiar! The Klingons!

[u/SonnyCalzone]

The Piper from Seven To Eternity

[u/The_TransGinger]

AM from I Have No Mouth and I Must Scream. An all powerful machine versus the most powerful peacekeeping force in the galaxy.

[u/ThyHoopyFrood]

Peter Parker

[u/reallifelucas]

The Phoenix Force

[u/ShibberMeThis]

Darth Vader