Inside anyone who has strong Aquarian influences is a person who is extremely uncertain of their true identity. The Aquarius ego is the most precarious in the zodiac because it is the sign of nonconformity. Intellectual genius, practical eccentricity, and mental oddity are all linked with Aquarius. The Aquarius personality has a powerful intellect. Putting this brainpower to good, practical use is the best way for an Aquarius to build their ego.