What is Wonder Girl's name?

Who Is Wonder Girl? Meet Cassandra Sandsmark

While Wonder Woman is the most famous Amazon in the DC Universe, her legacy has been carried forward by others — including one young demigoddess who brought a fresh spark to the superhero world: Cassandra “Cassie” Sandsmark, better known as Wonder Girl.

Unlike the original Wonder Girl, who was later revealed to be a younger version of Diana herself, Cassie is a separate character — a human with divine blood. The daughter of archaeologist Dr. Helena Sandsmark, Cassie first gained powers through a magical artifact tied to Zeus, making her a genuine Olympian demigoddess. That mix of mortal heart and godlike strength gave her a unique edge.

Introduced in the late '90s, Cassie quickly became a fan favorite, stepping into the role of Wonder Girl with a mix of bravery, humor, and teenage authenticity. She wasn’t just riding Diana’s coattails — she was carving her own path. As a core member of teams like Young Justice and the Teen Titans, she proved herself not just a sidekick, but a hero in her own right.

Her dynamic with Wonder Woman evolved from admiration to deep partnership. Diana became more than a mentor — she was a role model, a confidante, and at times, a surrogate sister. Cassie looked up to her, not just because of her power, but because of her unwavering moral compass.

What sets Cassie apart is her relatability. She’s not from Themyscira. She doesn’t have centuries of warrior training. She’s a girl from Fawcett City who earned her place among legends through grit, heart, and the courage to stand tall — even when facing gods and monsters.

Today, Wonder Girl remains a symbol of legacy and growth — a reminder that heroes aren’t just born, they’re made. And Cassandra Sandsmark? She’s definitely one of them.