In the movie Green Lantern (2011), Sinestro has a yellow ring because they were out of green ones. This is a reference to how I probably should have paid attention to the
Sinestro (Green Lantern: First Flight) | Villains Wiki | Fandom
Green Lantern/Sinestro Print | seancarlsonart
Action Figure Insider » Presenting…Earth's Newest Green Lantern…Sinestro?
Mark Strong's transformation to a stern Sinestro - The Globe and Mail
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JUN110275 - GREEN LANTERN SINESTRO CORPS WAR TP - Previews World
Green Lantern Sinestro by Doug Mahnke
DC Green Lantern - T7799 - Figurine - Action Figure - Sinestro : Amazon.fr: Jeux et Jouets
Thaal Sinestro by thedemonknight | Green lantern comics, Green lantern corps, Yellow lantern
Sinestro | Arrowverse Wiki | Fandom
Sinestro by Mystic-Oracle | Green lantern corps, Green lantern, Dc comics art