Craniopagus twins known sets of twins of all time. In history, Castor and Pollux fought Greek battles alongside other famous war heroes like Herkules and Achilles. The Greeks held these twins in high standing and they were seen not just as warriors but as gods. Although there are cases of conjoined twins dating back to as early as the 10th century, it was not until 1491 that the first case was documented. Apart from that, Sebastian Munster’s "Cosmographia universalis" provides the true first account of craniopagus twins who happened to live for ten years, exceeding many expectations during that time. He describes
Trigger Twins Secret Society of Super Villains. As part of an army, they are sent to destroy the city of Metropolis. Another army of superheroes face them. During what is called "Battle of Metropolis", the twins are shot down in the street by a group of vigilantes that include the current Vigilante and Wild Dog who were perched on a nearby rooftop. This battle takes place in "Infinite Crisis" #7. During the "Blackest Night" crossover, the Trigger Twins are among the many deceased villains that receive a black power ring, reanimating them into Black Lanterns. The Earth 18 version of Trigger Twins