In 1975 he entered Orange Coast College and made a series of ingenious effects films including; Space Patrol and Future Gold. As a result, he was destined to create and supervise Superbman's many diverse effects.

In addition to creating the special effects he accepted the responsiblites of location sound engineer, camera operator, stunt co-odinator, and sound effects editor, which in itself required him to cut over 1,000 separate sound effects into the film. A man whose talents are not confined to the technical aspects of filmmaking, he also appears in the film as the evil Kraptonian criminal, General Zit.

Today, Drex works professionaly creating special effects. Some of the films he's worked on include, Team America: World Police (special effects assistant: additional miniatures) and Screamers (stop-motion gaffer: Chiodo Bros. Productions Inc.).