Aegon Targaryen, nicknamed "Egg" in his youth, was called Aegon the Unlikely because he was unlikely to inherit the throne of the Seven Kingdoms, but was named king when a council bypassed those before him in the line of succession.
Aegon Targaryen was called Aegon the Unlikely because he was unlikely to inherit the throne of the Seven Kingdoms, but was named king when a council bypassed those before him in the line of succession. Aegon Targaryen was nicknamed "Egg" in his youth.