Brainiac 8 first appeared in Titans/Young Justice: Graduation Day #1 and was created by Judd Winick and Alé Garza.

Indigo is a Coluan from the distant future who comes to the 21st century badly damaged and in need of repairs.

[4][5] In the "DC Rebirth" continuity reboot, Indigo appears as a member of the Fatal Five before being killed by Zor-El.

[6][7] Indigo possesses an analytical computer-like brain, enabling her to think and perceive information at great speeds.

[8] As a unique inorganic being, she can fly, project force fields, and fire blasts of energy from her eyes or hands.