When Hilario gets coated by a meteorite sap that happened to crash near a tree, he gains his trademark stretching abilities and becomes a superhero until he finds himself pitted against his student-turned supervillain.

Young Hilario was nearby a rubber tree when it was struck by a meteorite. This incident gave Hilario the powers of elasticity and morphing. To honor his dead parents he vowed to use his his powers for good. Hilario grows up and becomes Professor Larry. a teacher in Physics. He transforms into the superhero Lastikman to protect people from injustice and oppression.