Ruiz was orphaned thanks to gang violence that claimed his parents lives in the Los Angeles barrios. He was taken in by El Hombre and trained as his sidekick.
A skilled acrobat/fighter who wields a bolo, both as weapon and acrobatic aid. In his adult years as a superhero, he moved on to some manner of bolo-firing wrist device.
Ruiz currently serves as a detective in Astro City and maintains contact with the current Irregulars.