Elasticity

Elasticity is the ability to be able to stretch, deform, expand and contract one's body at will into any form imaginable.

Users

 * Lash (Sky High)
 * Mrs. Incredible (The Incredibles)

Lash
Lash possesses the ability to stretch his body, mainly his arms, to great lengths. He turned himself into a giant slingshot in order to shoot Speed through the gymnasium.

Mrs. Incredible
Mrs. Incredible possesses the ability to stretch her body to any form that she can imagine. She can stretch her body approximately 300 feet. This ability causes her no pain unless she is forced to stretch, which would cause pain but wouldn't actually harm her.