Loona is a character from HOOD, an animated series for Disney XD that was never made. She has the ability to inflate due to the power of her blue hoodie. She's the leader of the superhero team HOOD. And Her name is a pun on a "balloon."

Hood Trailer (2009 Teletoon/Disney XD project)

Inflation/Size Enhancement: Loona has the ability to inflate, allowing her to stretch her body into the shape of a ball by pulling a cord on her suit.

Flight/Levitation/Gliding: Loona can hover, glide, and even rocket through the air while inflated.

Enhanced Durability/Deflection: When inflated, Loona becomes incredibly durable, capable of withstanding substantial amounts of weight.

Bouncing/Projectile Body: While inflated, Loona can bounce to impressive heights, ricochet from building to building in the city, and even use her inflated body as a bounce pad for her allies.