The American superhero series "Green Lantern" is based on the eponymous DC Comics. The events unfold over multiple decades and focus on two legends of the Green Lanterns on Earth and in the Universe. One of the key elements of this story is Thaal Sinestro, a former Green Lantern and a hero whose comic debut took place in 1961. He possesses a yellow power ring that becomes more powerful by tapping into someone's fears.