Ursa Major is the name of a constellation comprising stars from the head and forelegs of Ursa Major; "pucwan" (ပုဇွန်) is a general term for a crustacean, such as prawn, shrimp, crab, lobster, etc. In Roman mythology, Jupiter (the king of the gods) lusts after a young woman named Callisto, a nymph of Diana. Juno, Jupiter's jealous wife, discovers that Callisto has a son named Arcas, and believes it is by Jupiter. Juno then transforms the beautiful Callisto into a bear so she no longer attracts Jupiter. Callisto, while in bear form, later encounters her son Arcas. Arcas almost shoots the bear,
Ursa (DC Comics) apparently came about as a side-effect of being imprisoned in the Phantom Zone repeatedly. Following "DC Rebirth", Ursa has been reintroduced in the new continuity as Zod's wife, along with their son Lor-Zod. After joining Henshaw's Superman Revenge Squad and making believe them to free his army, General Zod used the Phantom Zone projector to free them. Along with the Eradicator II, they fled to another planet, planning to create a New Krypton. As a Kryptonian, Ursa derives her superhuman abilities from the yellow sun of Earth's solar system. Her basic abilities are high levels of superhuman strength, superhuman speed