Austin St. John was born on September 17th, 1975, in Roswell, New Mexico, to his parents Steve and Sharon St. John, becoming brother to Stephen. Austin has been practicing martial arts since he was five and now holds a second-degree black belt in Tae-Kwon Do, a first-degree black belt in Judo, and he also practices Shenkito and Kenpo. He has spent a lot of time moving from town to town with his dad, a Marine, and has also dreamed of playing professional baseball for the Boston Red Sox. His best school subject is political science and his worst is math. His dream vehicle is a Harley Davidson Softtail. Austin's favorite food is sushi, and his favorite style of music is rock-and-roll with an ever-growing interest in hip-hop. His favorite super hero is Superman. Besides baseball, his favorite sports are football, soccer, and hiking. Currently, his favorite colors are black for cars and black and white for clothes. He also worked on "Austin St. John's Martial Arts Video."
Graduated from Sunny Hills High School in Fullerton, California. He is of German, native American, Irish, Japanese, Italian, and Spanish descent.