Mina has the most open personality. She can be friendly with everyone. She will show genuine concern for the spiritual well being of anyone else, especially Serena. She has no enemies, however that doesn't mean she can't do her own share in combat. In order to help make friends, she often tries to use the playful approach in becoming friendly.
Sailor Venus is somewhat special in the Sailor Scout storyline. In the translation, Sailor V is mistakenly referred to as Sailor Venus in an episode. Actually, Sailor V is Sailor Venus, only she gets publicly known as Sailor V. Remember, she had on her cool glasses when she first appeared.