Wonder Woman is a superhero from the DC Universe. She appeared as a member of the Council of Nine in the Imaginationland trilogy.
Superman also speaks to Kyle in his imagination when he's at the Lincoln Memorial, although he is not seen. Other members of the Justice League making an appearance are The Flash, and Batman only appears in the DVD release.
Appearance
She wears a gold tiara, with a red, 7-sided star in its middle. She also wears a red tank top, with golden designs on its top and bottom, white-starred blue panties, gold cufflinks similar to her tiara, red (white-trimmed) boots, and a golden rope attached to her waist.