Heroes whose approximate Character Alignment is "Chaotic Neutral", known as the "Free Spirit" alignment.

Chaotic Neutral characters are wild, unpredictable and often follow their own personal code without a care for others - they are often selfish and the only thing predictable about them is their unpredictable natures.

Pure Good heroes NEVER fall under this alignment. The type of Pure Good hero that falls under the chaotic character alignment always falls under Chaotic Good.

Chaotic Neutral - Villains Wiki