Reflux (The Incredibles)

Gus Burns, also known as Reflux, is a senior wannabe Super.

Powers
Lava Generation: Reflux has the power to generate lava by regurgitating it. This lava is dangerous and able to burn through most objects.

Fire/Heat Immunity (possibly): Reflux is immune to his own power, but it is unknown if this translates into fire or heat immunity.

Weaknesses
Elderly: Reflux lacks physical strength, stamina, and agility due to his advanced age.