Mongal is a malevolent alien conqueror. She is the older daughter to the Ruler of Warworld, Mongul the Elder, and the twin sister of Mongul Jr. She & her brother first appeared to try and kill Superman for dishonoring their father. Later Junior would kill his sister calling family a weakness.

Mongal

Mongal is a malevolent alien conqueror. She is the older daughter to the Ruler of Warworld, Mongul the Elder, and the twin sister of Mongul Jr. She & her brother first appeared to try and kill Superman for dishonoring their father. Later Junior would kill his sister calling family a weakness.

All data from the awesome folks at Marvel.